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  • Vis forfatter(e) (2023). Time trends in perinatal outcomes among HIV-positive pregnant women in Northern Tanzania: A registry-based study. PLOS ONE. 18 sider.
  • Vis forfatter(e) (2023). Rare variants with large effects provide functional insights into the pathology of migraine subtypes, with and without aura. Nature Genetics. 1843-1853.
  • Vis forfatter(e) (2023). Prevalence of neural tube defects among pregnant women in Addis Ababa: a community-based study using prenatal ultrasound examination. Child's Nervous System. 2423-2431.
  • Vis forfatter(e) (2023). Maternal physical activity affects yolk sac size and growth in early pregnancy, but girls and boys use different strategies. Scientific Reports. 13 sider.
  • Vis forfatter(e) (2023). Maternal antiretroviral treatment for HIV infection and risk of small-for-gestational-age birth: A systematic review and meta-analysis of protease inhibitor-based treatment and timing of treatment. International Journal of Antimicrobial Agents. 10 sider.
  • Vis forfatter(e) (2023). Genetic effects on the timing of parturition and links to fetal birth weight. Nature Genetics. 559-567.
  • Vis forfatter(e) (2023). Deficit of homozygosity among 1.52 million individuals and genetic causes of recessive lethality. Nature Communications. 15 sider.
  • Vis forfatter(e) (2023). Corrigendum to “Sleep and physical activity from before conception to the end of pregnancy in healthy women: A longitudinal actigraphy study” [Sleep Med 83 (2021) 89–98, (S1389945721002525), (10.1016/j.sleep.2021.04.028)]. Sleep Medicine. 160.
  • Vis forfatter(e) (2023). Author Correction: Genetic effects on the timing of parturition and links to fetal birth weight (Nature Genetics, (2023), 55, 4, (559-567), 10.1038/s41588-023-01343-9). Nature Genetics.
  • Vis forfatter(e) (2022). Effect of maternal sleep on embryonic development. Scientific Reports. 11 sider.
  • Vis forfatter(e) (2022). An examination of mediation by DNA methylation on birthweight differences induced by assisted reproductive technologies. Clinical Epigenetics. 13 sider.
  • Vis forfatter(e) (2021). Wavelet Screening identifies regions highly enriched for differentially methylated loci for orofacial clefts. NAR Genomics and Bioinformatics. 1-16.
  • Vis forfatter(e) (2021). Variation in use of Caesarean section in Norway: An application of spatio-temporal Gaussian random fields. Scandinavian Journal of Public Health. 8 sider.
  • Vis forfatter(e) (2021). Sleep and physical activity from before conception to the end of pregnancy in healthy women: a longitudinal actigraphy study. Sleep Medicine. 89-98.
  • Vis forfatter(e) (2021). Maternal Chronic Conditions and Risk of Cerebral Palsy in Offspring: A National Cohort Study. Pediatrics. 10 sider.
  • Vis forfatter(e) (2021). Maternal Chronic Conditions and Risk of Cerebral Palsy in Offspring: A National Cohort Study. Pediatrics.
  • Vis forfatter(e) (2021). Isolated oral clefts and school grades: population-based cohort study from Norway. BMJ Open. 7 sider.
  • Vis forfatter(e) (2021). Invited Commentary: Ionizing Radiation and Future Reproductive Health-Old Cohorts Still Deserve Attention. American Journal of Epidemiology. 2334-2336.
  • Vis forfatter(e) (2020). Parental education and the risk of cerebral palsy for children: an evaluation of causality. Developmental Medicine & Child Neurology. 1176-1181.
  • Vis forfatter(e) (2020). Heritability curves: A local measure of heritability in family models. Statistics in Medicine. 1357-1382.
  • Vis forfatter(e) (2020). Gene-methylation interactions: Discovering region-wise DNA methylation levels that modify SNP-associated disease risk. Clinical Epigenetics. 18 sider.
  • Vis forfatter(e) (2020). Design efficiency in genetic association studies. Statistics in Medicine. 1292-1310.
  • Vis forfatter(e) (2019). Meta-analysis of epigenome-wide association studies in neonates reveals widespread differential DNA methylation associated with birthweight. Nature Communications. 1-11.
  • Vis forfatter(e) (2019). Maternal complications in pregnancy and childbirth for women with epilepsy: time trends in a nationwide cohort. PLOS ONE. 1-14.
  • Vis forfatter(e) (2019). Hvordan bør rekrutteringen til folkehelseundersøkelsene gjennomføres? Tidsskrift for Den norske legeforening. 1462-1467.
  • Vis forfatter(e) (2019). Haplin power analysis: a software module for power and sample size calculations in genetic association analyses of family triads and unrelated controls. BMC Bioinformatics. 11 sider.
  • Vis forfatter(e) (2019). Genome-wide association study reveals dynamic role of genetic variation in infant and early childhood growth. Nature Communications. 1-10.
  • Vis forfatter(e) (2019). A genome-wide scan of cleft lip triads identifies parent-of-origin interaction effects between ANK3 and maternal smoking, and between ARHGEF10 and alcohol consumption. F1000 Research. 28 sider.
  • Vis forfatter(e) (2019). A comparison of DNA methylation in newborn blood samples from infants with and without orofacial clefts. Clinical Epigenetics. 8 sider.
  • Vis forfatter(e) (2018). The association between pre pregnancy body mass index and risk of preeclampsia: a registry based study from Tanzania. BMC Pregnancy and Childbirth. 8 sider.
  • Vis forfatter(e) (2018). Parental socioeconomic status and risk of cerebral palsy in the child: evidence from two Nordic population-based cohorts. International Journal of Epidemiology. 1298-1306.
  • Vis forfatter(e) (2018). Analysis of parent-of-origin effects on the X chromosome in asian and european orofacial cleft triads identifies associations with DMD, FGF13, EGFL6, and additional loci at Xp22.2. Frontiers in Genetics. 17 sider.
  • Vis forfatter(e) (2018). A genome-wide search for gene-environment effects in isolated cleft lip with or without cleft palate triads points to an interaction between maternal periconceptional vitamin use and variants in ESRRG. Frontiers in Genetics. 16 sider.
  • Vis forfatter(e) (2017). Time trends in management of HIV-positive pregnant women in Northern Tanzania: A registry-based study. PLOS ONE. 15 sider.
  • Vis forfatter(e) (2017). Suicide and violent deaths in survivors of cancer in childhood, adolescence and young adulthood-a national cohort study. International Journal of Cancer. 575-580.
  • Vis forfatter(e) (2017). Prenatal exposure to Chernobyl fallout in Norway: neurological and developmental outcomes in a 25-year follow-up. European Journal of Epidemiology (EJE). 1065-1073.
  • Vis forfatter(e) (2017). Parent-of-origin-environment interactions in case-parent triads with or without independent controls. Annals of Human Genetics. 60-73.
  • Vis forfatter(e) (2017). Maternal underweight and obesity and risk of orofacial clefts in a large international consortium of population-based studies. International Journal of Epidemiology. 190-199.
  • Vis forfatter(e) (2017). Maternal BMI at the start of pregnancy and offspring epigenome-wide DNA methylation: findings from the pregnancy and childhood epigenetics (PACE) consortium. Human Molecular Genetics. 4067-4085.
  • Vis forfatter(e) (2017). Interaction between smoking and body mass index and risk of oral clefts. Annals of Epidemiology. 103-107.e2.
  • Vis forfatter(e) (2017). HIV among pregnant women in Tanzania; are we meeting national guidelines?
  • Vis forfatter(e) (2017). Genome-wide analysis of parent-of-origin interaction effects with environmental exposure (PoOxE): An application to European and Asian cleft palate trios. PLOS ONE. 19 sider.
  • Vis forfatter(e) (2017). Cohort profile: Pregnancy and childhood epigenetics (PACE) consortium. International Journal of Epidemiology. 22-23u.
  • Vis forfatter(e) (2017). A new approach to chromosome-wide analysis of X-linked markers identifies new associations in Asian and European case-parent triads of orofacial clefts. PLOS ONE. 23 sider.
  • Vis forfatter(e) (2017). A Population-Based Study of Effects of Genetic Loci on Orofacial Clefts. Journal of Dental Research. 1322-1329.
  • Vis forfatter(e) (2016). Socio-economic status and reproduction among adults born with an oral cleft: A population-based cohort study in Norway. PLOS ONE. 11 sider.
  • Vis forfatter(e) (2016). Reproduction and marriage among male survivors of cancer in childhood, adolescence and young adulthood: a national cohort study. British Journal of Cancer. 348-356.
  • Vis forfatter(e) (2016). Prevention of HIV transmission in Tanzania.
  • Vis forfatter(e) (2016). Passive smoke exposure as a risk factor for oral clefts-a large international population-based study. American Journal of Epidemiology. 834-841.
  • Vis forfatter(e) (2016). Neurodevelopmental disorders or early death in siblings of children with cerebral palsy. Pediatrics.
  • Vis forfatter(e) (2016). Maternal prepregnancy BMI and risk of cerebral palsy in offspring. Pediatrics. 9 sider.
  • Vis forfatter(e) (2016). Maternal alcohol binge-drinking in the first trimester and the risk of orofacial clefts in offspring: a large population-based pooling study. European Journal of Epidemiology (EJE). 1021-1034.
  • Vis forfatter(e) (2016). Maternal age at delivery is associated with an epigenetic signature in both newborns and adults. PLOS ONE.
  • Vis forfatter(e) (2016). Management of HIV positive pregnant women in Tanzania; are we meeting national guidelines?
  • Vis forfatter(e) (2016). Intake of caffeinated soft drinks before and during pregnancy, but not total caffeine intake, is associated with increased cerebral palsy risk in the norwegian mother and child cohort study. Journal of Nutrition. 1701-1706.
  • Vis forfatter(e) (2016). Health status among adults born with an oral cleft in Norway. JAMA pediatrics. 1063-1070.
  • Vis forfatter(e) (2016). Economic independence in survivors of cancer diagnosed at a young age: A Norwegian national cohort study. Cancer. 3873-3882.
  • Vis forfatter(e) (2016). A multi-ethnic genome-wide association study identifies novel loci for non-syndromic cleft lip with or without cleft palate on 2p 24.2, 17q23 and 19q13. Human Molecular Genetics. 2862-2872.
  • Vis forfatter(e) (2016). A genome-wide association study of nonsyndromic cleft palate identifies an etiologic missense variant in GRHL3. American Journal of Human Genetics. 744-754.
  • Vis forfatter(e) (2015). Parental age and the risk of isolated cleft lip: a registry-based study. Annals of Epidemiology. 942-947.
  • Vis forfatter(e) (2015). MINNEORD: Tor Bjerkedal. Tidsskrift for Den norske legeforening. 1 sider.
  • Vis forfatter(e) (2015). Haplin — a powerful tool for studying gene-environment interactions.
  • Vis forfatter(e) (2015). HIV testing among pregnant women in Tanzania.
  • Vis forfatter(e) (2015). Child apolipoprotein E gene variants and risk of cerebral palsy: Estimation from case-parent triads. European journal of paediatric neurology. 286-291.
  • Vis forfatter(e) (2014). Risk of cerebral palsy in relation to pregnancy disorders and preterm birth: a national cohort study. Developmental Medicine & Child Neurology. 779-785.
  • Vis forfatter(e) (2014). Identification of DNA methylation changes in newborns related to maternal smoking during pregnancy. Environmental Health Perspectives. 1147-1153.
  • Vis forfatter(e) (2014). First-trimester nonsystemic corticosteroid use and the risk of oral clefts in Norway. Annals of Epidemiology. 635-640.
  • Vis forfatter(e) (2014). Familial risk of cerebral palsy: Population based cohort study. BMJ. British Medical Journal. 8 sider.
  • Vis forfatter(e) (2014). Associations of maternal atopic diseases with adverse pregnancy outcomes: A national cohort study. Paediatric and Perinatal Epidemiology. 489-497.
  • Vis forfatter(e) (2014). Associations of Respiratory Symptoms and Lung Function with Measured Carbon Monoxide Concentrations among Nonsmoking Women Exposed to Household Air Pollution: The RESPIRE Trial, Guatemala. Environmental Health Perspectives.
  • Vis forfatter(e) (2013). X-linked markers in the Duchenne muscular dystrophy gene associated with oral clefts. European Journal of Oral Sciences. 63-68.
  • Vis forfatter(e) (2013). The recurrence risk of preeclampsia in subsequent pregnancies in northern Tanzania: a registry-based prospective cohort study. American Journal of Obstetrics and Gynecology. S273-S273.
  • Vis forfatter(e) (2013). The impact of cigarette quitting during pregnancy on other prenatal health behaviors. Review of Economics of the Household. 211-233.
  • Vis forfatter(e) (2013). The association of preterm birth with severe asthma and atopic dermatitis: a national cohort study. Pediatric Allergy and Immunology. 782-787.
  • Vis forfatter(e) (2013). Recurrence of preterm birth and perinatal mortality in northern Tanzania: registry-based cohort study. Tropical medicine & international health. 962-967.
  • Vis forfatter(e) (2013). Recurrence of preterm birth and perinatal mortality in Northern Tanzania: registry-based cohort study. American Journal of Obstetrics and Gynecology. S221-S222.
  • Vis forfatter(e) (2013). Recurrence of perinatal death in Northern Tanzania: a registry based cohort study. BMC Pregnancy and Childbirth. 9 sider.
  • Vis forfatter(e) (2013). Recurrence of Preeclampsia in Northern Tanzania: A Registry-Based Cohort Study. PLOS ONE. 9 sider.
  • Vis forfatter(e) (2013). Erratum to: Cancer in childhood, adolescence, and young adults: a population-based study of changes in risk of cancer death during four decades in Norway. Cancer Causes and Control. 2253-2256.
  • Vis forfatter(e) (2012). X-Linked Genes and Risk of Orofacial Clefts: Evidence from Two Population-Based Studies in Scandinavia. PLOS ONE.
  • Vis forfatter(e) (2012). Using offspring-parent triads to study complex traits : a tutorial based on orofacial clefts. Norsk Epidemiologi. 251-267.
  • Vis forfatter(e) (2012). Smoking and body weight: Evidence using genetic instruments. Economics and Human Biology. 113-126.
  • Vis forfatter(e) (2012). Genome wide study of maternal and parent-of-origin effects on the etiology of orofacial clefts. American Journal of Medical Genetics. Part A. 784-794.
  • Vis forfatter(e) (2012). Factors associated with prenatal folic acid and iron supplementation among 21,889 pregnant women in Northern Tanzania: A cross-sectional hospital-based study. BMC Public Health. 10 sider.
  • Vis forfatter(e) (2012). Causes of perinatal death at a tertiary care hospital in Northern Tanzania 2000-2010: a registry based study. BMC Pregnancy and Childbirth. 9 sider.
  • Vis forfatter(e) (2012). Cause-specific neonatal mortality in a neonatal care unit in Northern Tanzania: a registry based cohort study. BMC Pediatrics. 10 sider.
  • Vis forfatter(e) (2012). Cardiovascular mortality after pre-eclampsia in one child mothers: prospective, population based cohort study. BMJ. British Medical Journal. 10 sider.
  • Vis forfatter(e) (2012). Cancer in childhood, adolescence, and young adults: a population-based study of changes in risk of cancer death during four decades in Norway. Cancer Causes and Control. 1297-1305.
  • Vis forfatter(e) (2012). Assessing the impact of nicotine dependence genes on the risk of facial clefts: An example of the use of national registry and biobank data. Norsk Epidemiologi. 241-250.
  • Vis forfatter(e) (2012). Application of a Novel Hybrid Study Design to Explore Gene-Environment Interactions in Orofacial Clefts. Annals of Human Genetics. 221-236.
  • Vis forfatter(e) (2011). Transfer of newborns to neonatal care unit: a registry based study in Northern Tanzania. Tropical medicine & international health. 273-274.
  • Vis forfatter(e) (2011). Transfer of newborns to neonatal care unit: a registry based study in Northern Tanzania. BMC Pregnancy and Childbirth.
  • Vis forfatter(e) (2011). Rapid genotyping of the human renin (REN) gene by the LightCycler (R) instrument: Identification of unexpected nucleotide substitutions within the selected hybridization probe area. Disease Markers. 243-249.
  • Vis forfatter(e) (2011). Genes as instrument for studying risk behavior effects: an application to maternal smoking and orofacial clefts. Health Services & Outcomes Research Methodology. 54-78.
  • Vis forfatter(e) (2011). Fetal genetic risk of isolated cleft lip only versus isolated cleft lip and palate: a subphenotype analysis using two population-based studies of orofacial clefts in Scandinavia. Birth Defects Research Part A: Clinical and Molecular Teratology. 85-92.
  • Vis forfatter(e) (2011). FTO, type 2 diabetes, and weight gain throughout adult life A meta-analysis of 41,504 subjects from the Scandinavian HUNT, MDC, and MPP studies. Diabetes. 1637-1644.
  • Vis forfatter(e) (2011). Evidence for Gene-Environment Interaction in a Genome Wide Study of Nonsyndromic Cleft Palate. Genetic Epidemiology. 469-478.
  • Vis forfatter(e) (2011). Cause specific neonatal mortality in a neonatal care unit in northern Tanzania: a registry based cohort study. Tropical medicine & international health. 302-302.
  • Vis forfatter(e) (2011). Birthweight, preterm birth and perinatal mortality: a comparison of black babies in Tanzania and the USA. Acta Obstetricia et Gynecologica Scandinavica. 1100-1106.
  • Vis forfatter(e) (2011). Association between inhibited binding of folic acid to folate receptor alpha in maternal serum and folate-related birth defects in Norway. Human Reproduction. 2232-2238.
  • Vis forfatter(e) (2011). A genetic instrumental variables analysis of the effects of prenatal smoking on birth weight: evidence from two samples. Biodemography and Social Biology. 3-32.
  • Vis forfatter(e) (2010). Recording of maternal deaths in an East African university hospital. Acta Obstetricia et Gynecologica Scandinavica. 789-793.
  • Vis forfatter(e) (2010). Rapid genotyping of the human renin (REN) gene by the LightCycler® instrument: Identification of unexpected nucleotide substitutions within the selected hybridization probe area. Disease Markers. 243-249.
  • Vis forfatter(e) (2010). Maternal genes and facial clefts in offspring: a comprehensive search for genetic associations in two population-based cleft studies from Scandinavia. PLOS ONE.
  • Vis forfatter(e) (2010). Maternal angiotensinogen (AGT) haplotypes, fetal renin (REN) haplotypes and risk of preeclampsia; estimation of gene-gene interaction from family-triad data. BMC Medical Genetics. 7 sider.
  • Vis forfatter(e) (2010). Maternal alcohol consumption, alcohol metabolism genes, and the risk of oral clefts: A population-based case-control study in Norway, 1996-2001. American Journal of Epidemiology. 924-931.
  • Vis forfatter(e) (2010). Immediate treatment versus sonographic surveillance for mild hip dysplasia in newborns. Pediatrics. E9-E16.
  • Vis forfatter(e) (2010). Cerebral Palsy among term and postterm births. Journal of the American Medical Association (JAMA). 976-982.
  • Vis forfatter(e) (2010). A genome-wide association study of cleft lip with and without cleft palate identifies risk variants near MAFB and ABCA4. Nature Genetics. 525-U76.
  • Vis forfatter(e) (2009). Oral facial clefts and gene polymorphisms in metabolism of folate/one-carbon and vitamin A: a pathway-wide association study. Genetic Epidemiology. 247-255.
  • Vis forfatter(e) (2009). Maternal consumption of coffee and caffeine-containing beverages and oral clefts: A population-based case-control study in Norway. American Journal of Epidemiology. 1216-1222.
  • Vis forfatter(e) (2009). Identification of Microdeletions in Candidate Genes for Cleft Lip and/or Palate. Birth Defects Research Part A: Clinical and Molecular Teratology. 42-51.
  • Vis forfatter(e) (2009). Genetic determinants of facial clefting: analysis of 357 candidate genes using two national cleft studies from Scandinavia. PLOS ONE.
  • Vis forfatter(e) (2009). Genetic Distance and Population Structure Analysis of Parents Drawn from a Family Based Genome Wide Association Study of Oral Clefts. Genetic Epidemiology. 782-782.
  • Vis forfatter(e) (2009). Fetal down syndrome and the risk of maternal breast cancer. Epidemiology. 584-589.
  • Vis forfatter(e) (2009). FOXE1 association with both isolated cleft lip with or without cleft palate, and isolated cleft palate. Human Molecular Genetics. 4879-4896.
  • Vis forfatter(e) (2009). Effect of reducing indoor air pollution on women’s respiratory symptoms and lung function: The RESPIRE Randomized Trial, Guatemala. American Journal of Epidemiology. 211-220.
  • Vis forfatter(e) (2009). Effect of Personal Exposure to Indoor Air Pollution from Solid Fuel on Lung Symptoms and Function in Women: An Exposure-Response Analysis from the Guatemala Woodstove Randomised Control Trial. Epidemiology. S206-S206.
  • Vis forfatter(e) (2009). Down Syndrome registration in the Medical Birth Registry of Norway: Validity and time trends. Birth Defects Research Part A: Clinical and Molecular Teratology. 238-238.
  • Vis forfatter(e) (2008). Sociodemographic characteristics and perinatal mortality among singletons in North East Tanzania: a registry-based study. Journal of Epidemiology and Community Health. 960-965.
  • Vis forfatter(e) (2008). Risk factors for maternal death in the highlands of rural northern Tanzania: a case-control. BMC Public Health.
  • Vis forfatter(e) (2008). Registration of Down's syndrome in the medical birth registry of Norway; validity and time trends. European Journal of Neurology. 348-349.
  • Vis forfatter(e) (2008). Registration of Down syndrome in the Medical Birth Registry of Norway: Validity and time trends. Acta Obstetricia et Gynecologica Scandinavica. 824-830.
  • Vis forfatter(e) (2008). Prevalence of major anatomic variations in oral clefts. Plastic and Reconstructive Surgery. 587-595.
  • Vis forfatter(e) (2008). Maternal smoking and oral clefts - The role of detoxification pathway genes. Epidemiology. 606-615.
  • Vis forfatter(e) (2008). Maternal dietary intake of vitamin A and risk of orofacial clefts: A population-based case-control study in Norway. American Journal of Epidemiology. 1164-1170.
  • Vis forfatter(e) (2008). Maternal HIV status and pregnancy outcomes in northeastern Tanzania: a registry-based study. BJOG: An International Journal of Obstetrics and Gynaecology. 616-624.
  • Vis forfatter(e) (2008). Long-term medical and social consequences of preterm birth. New England Journal of Medicine. 262-273.
  • Vis forfatter(e) (2008). Hvor ”farlig” er premature fødsler? Aftenposten (morgenutg. : trykt utg.).
  • Vis forfatter(e) (2008). Hvor "farlig" er det å bli født for tidlig? Prematur Posten. 19-20.
  • Vis forfatter(e) (2008). Genetic variants in IRF6 and the risk of facial clefts: Single-marker and haplotype-based analyses in a population-based case-control study of facial clefts in Norway. Genetic Epidemiology. 413-424.
  • Vis forfatter(e) (2008). Folate and one-carbon metabolism gene polymorphisms and their associations with oral facial clefts. American Journal of Medical Genetics. 440-449.
  • Vis forfatter(e) (2008). First-trimester maternal alcohol consumption and the risk of infant oral clefts in Norway: A population-based case-control study. American Journal of Epidemiology. 638-646.
  • Vis forfatter(e) (2008). Familial risk of oral clefts by morphological type and severity: population based cohort study of first degree relatives. BMJ. British Medical Journal. 432-434.
  • Vis forfatter(e) (2008). Familial patterns of preterm delivery: Maternal and fetal contributions. American Journal of Epidemiology. 474-479.
  • Vis forfatter(e) (2008). Disruption of an AP-2 alpha binding site in an IRF6 enhancer is associated with cleft lip. Nature Genetics. 1341-1347.
  • Vis forfatter(e) (2008). Cancer risk in children with birth defects and in their families: A population based cohort study of 5.2 million children from Norway and Sweden. Cancer Epidemiology, Biomarkers and Prevention. 500-506.
  • Vis forfatter(e) (2008). Birthweight and perinatal mortality among singletons and twins in north-eastern Tanzania. Scandinavian Journal of Public Health. 761-768.
  • Vis forfatter(e) (2008). Biometrical modelling in genetics: are complex traits too complex? Statistical Methods in Medical Research. 75-96.
  • Vis forfatter(e) (2007). The heritability of preterm delivery: Maternal and fetal contributions. American Journal of Epidemiology. S21-S21.
  • Vis forfatter(e) (2007). Studier av årsaker til Medfødte misdannelser basert på Medisinsk fødselsregister. Norsk Epidemiologi. 141-146.
  • Vis forfatter(e) (2007). Prevalence of duplications and deletions of the 22q11 DiGeorge syndrome region in a population-based sample of infants with cleft palate. American Journal of Medical Genetics. 129-134.
  • Vis forfatter(e) (2007). Preeclampsia and long-term maternal mortality. American Journal of Epidemiology. S27-S27.
  • Vis forfatter(e) (2007). Parent's occupation and isolated orofacial clefts in Norway: A population-based case-control study. Annals of Epidemiology. 763-771.
  • Vis forfatter(e) (2007). Maternal alcohol consumption and the risk of oral clefts in Norway. A population-based case-control study. American Journal of Epidemiology. S1-S1.
  • Vis forfatter(e) (2007). Male infertility: Intracytoplasmic sperm injection (ICSI) using surgically retrieved sperm from the testis or the epididymis. 7/2007. 7/2007. .
  • Vis forfatter(e) (2007). Lung function and symptoms among indigenous Mayan women exposed to high levels of indoor air pollution. The International Journal of Tuberculosis and Lung Disease. 1372-1379.
  • Vis forfatter(e) (2007). Intergenerational exchange and perinatal risks: a note on interpretation of generational recurrence risks. Paediatric and Perinatal Epidemiology. 13-18.
  • Vis forfatter(e) (2007). Impact of an improved stove on women's lung health in a rural wood-using community. RESPIRE Guatemala.
  • Vis forfatter(e) (2007). Haplotype relative risk estimation in epidemiological studies; New methodology applied to a study of smoking, relevant detoxification genes and oral clefts in Norway. American Journal of Epidemiology. S142.
  • Vis forfatter(e) (2007). Haplotype relative risk estimation in epidemiological studies; New methodology applied to a study of smoking, relevant detoxification genes and oral clefts in Norway. American Journal of Epidemiology. S142-S142.
  • Vis forfatter(e) (2007). Fødsler i førti år. Norsk Epidemiologi. 93-94.
  • Vis forfatter(e) (2007). Fødsler i førti år. Norsk Epidemiologi. 93-94.
  • Vis forfatter(e) (2007). Fødsler i førti år. Norsk Epidemiologi. 93-94.
  • Vis forfatter(e) (2007). Folsyretilskudd og risiko for leppe- og ganespalte. Sykepleien Forskning. 112-117.
  • Vis forfatter(e) (2007). Folic acid supplements and risk of facial clefts: national population based case-control study. BMJ. British Medical Journal. 464-467.
  • Vis forfatter(e) (2007). Folate metabolism genes and the risk of orofacial clefts. American Journal of Epidemiology. S118-S118.
  • Vis forfatter(e) (2007). Eye discomfort, headache and back pain among Mayan Guatemalan women taking part in a randomised stove intervention trial. Journal of Epidemiology and Community Health. 74-79.
  • Vis forfatter(e) (2007). Epidemiology of cleft palate alone and cleft palate with accompanying defects. European Journal of Epidemiology (EJE). 389-395.
  • Vis forfatter(e) (2007). Completeness of registration of oral clefts in a medical birth registry: a population-based study. Acta Obstetricia et Gynecologica Scandinavica. 1453-1457.
  • Vis forfatter(e) (2007). A medical birth registry at Kilimanjaro Christian Medical Centre, Tanzania. East African Journal of Public Health. 1-4.
  • Vis forfatter(e) (2007). A medical birth registry at Kilimanjaro Christian Medical Centre. East African Journal of Public Health. 1-4.
  • Vis forfatter(e) (2006). Paternal occupational exposure to radiofrequency electromagnetic fields and risk of adverse pregnancy outcome. European Journal of Epidemiology (EJE). 529-535.
  • Vis forfatter(e) (2006). Maternal and paternal influences on length of pregnancy. Obstetrics and Gynecology. 880-885.
  • Vis forfatter(e) (2006). Jordmorstyrte fødestuer. 16. 16. .
  • Vis forfatter(e) (2006). Grandparents' age and the risk of Down's syndrome in Norway. Acta Obstetricia et Gynecologica Scandinavica. 236-240.
  • Vis forfatter(e) (2006). Case-parent triads: Estimating single- and double-dose effects of fetal and maternal disease gene haplotypes. Annals of Human Genetics. 382-396.
  • Vis forfatter(e) (2005). Sense and sensibility in delivery care. Tidsskrift for Den norske legeforening. 2818-2820.
  • Vis forfatter(e) (2005). Recurrence of pre-eclampsia across generations: exploring fetal and maternal genetic components in a population based cohort. BMJ. British Medical Journal.
  • Vis forfatter(e) (2005). Recurrence of pre-eclampsia across generations: exploring fetal and maternal genetic components in a popluation based cohort. BMJ. British Medical Journal. 877-880.
  • Vis forfatter(e) (2005). Maternal occupation and oral clefts in Norway. American Journal of Epidemiology. 1 sider.
  • Vis forfatter(e) (2005). Gender, age, and ethnicity in HIV vaccine-related research and clinical trials - Report from a WHO-UNAIDS consultation, 26-28 August 2004. Lausanne, Switzerland. AIDS (London). W7-W28.
  • Vis forfatter(e) (2005). Follow-up studies of children with birth defects in the Medical Birth Registry of Norway; A review. Norsk Epidemiologi. 21-24.
  • Vis forfatter(e) (2005). Follow-up studies of children with birth defects in the Medical Birth Registry of Norway: A review. Norsk Epidemiologi. 21-24.
  • Vis forfatter(e) (2005). Cleft lip and palate versus cleft lip only: are they distinct defects? American Journal of Epidemiology. 448-453.
  • Vis forfatter(e) (2005). Cleft lip and palate versus cleft lip only: Are they distinct defects? American Journal of Epidemiology. 448-453.
  • Vis forfatter(e) (2005). Case-parent triads: Estimating single- and double-dose effects of fetal and maternal disease gene haplotypes. Annals of Human Genetics. 1-15.
  • Vis forfatter(e) (2005). Birth defects in children conceived by ICSI compared with children conceived by other IVF-methods; a meta-analysis. International Journal of Epidemiology. 696-701.
  • Vis forfatter(e) (2005). Birth defects in children conceived by ICSI compared with children conceived by other IVF-methods; a meta-analysis. International Journal of Epidemiology. 696-701.
  • Vis forfatter(e) (2005). An international perspective on anencephaly and spina bifida: Prevalences by the turn of the century. 16 sider.
  • Vis forfatter(e) (2004). Variations in the risk of disability pension in Norway 1970-99 - A gender-specific age-period-cohort analysis. Scandinavian Journal of Public Health. 340-348.
  • Vis forfatter(e) (2004). Ultrasound estimates of gestational age among perinatally demised: a population-based study. Acta Obstetricia et Gynecologica Scandinavica. 149-154.
  • Vis forfatter(e) (2004). Risk of selected birth defects by maternal residence close to power lines during pregnancy. Occupational and Environmental Medicine. 174-176.
  • Vis forfatter(e) (2004). Paternal age and the risk of birth defects in Norway. Annals of Epidemiology. 566-570.
  • Vis forfatter(e) (2004). On a study of familial risk of incontinence. Epidemiology. 508-508.
  • Vis forfatter(e) (2004). Maternal and fetal variants of genetic thrombophilias and the risk of preeclampsia. Epidemiology. 317-322.
  • Vis forfatter(e) (2004). Increasing risk of gastroschisis in Norway: an age-period-cohort analysis. American Journal of Epidemiology. 358-363.
  • Vis forfatter(e) (2004). Increasing risk of gastroschisis in Norway: an age-period-cohort analysis. American Journal of Epidemiology. 358-363.
  • Vis forfatter(e) (2004). Familial risk of urinary incontinence in women: population based cross sectional study. BMJ. British Medical Journal. 889-891.
  • Vis forfatter(e) (2004). Examination of IMPA1 and IMPA2 genes in manic-depressive patients: association between IMPA2 promoter polymorphisms and bipolar disorder. Molecular Psychiatry. 621-629.
  • Vis forfatter(e) (2004). Birth defects and age effects.
  • Vis forfatter(e) (2003). Variants of Developmental Genes (TGFA, TGFB3, and MSX1) and Their Associations With Orofacial Clefts: A Case-Parent Triad Analysis. Genetic Epidemiology. 230-239.
  • Vis forfatter(e) (2003). Sostrup statement on low birthweight. International Journal of Epidemiology. 884-885.
  • Vis forfatter(e) (2003). Retraction of paper on maternal diabetes. BMJ. British Medical Journal. 929-929.
  • Vis forfatter(e) (2003). Residence Near Power Lines and the Risk of Birth Defects. Epidemiology. 95-98.
  • Vis forfatter(e) (2003). Perinatal mortality in northern rural Tanzania. Journal of Health, Population and Nutrition. 8-17.
  • Vis forfatter(e) (2003). No association between preeclampsia or cesarean section and incidence of type 1 diabetes among children: a large, population-based cohort study. Pediatric Research. 487-90.
  • Vis forfatter(e) (2003). No association between preeclampsia or cesarean section and incidence of type 1 diabetes among children: a large, population-based cohort study. Pediatric Research. 487-490.
  • Vis forfatter(e) (2003). No association between preeclampsia or Cesarean section and incidence of type 1 diabetes among children: A large, population-based cohort study. Pediatric Research. 487-490.
  • Vis forfatter(e) (2003). Exploring the effects of methylenetetrahydrofolate reductase gene variants C677T and A1298C on the risk of orofacial clefts in 261 Norwegian case-parents triads. American Journal of Epidemiology. 1083-1091.
  • Vis forfatter(e) (2003). Examination of IMPA1- and IMPA2 genes in manic-depressive patients: Association between IMPA2 promoter polymorphisms and bipolar disorder. Molecular Psychiatry. Epub-23Dec2003.
  • Vis forfatter(e) (2003). Cleft Palate, Transforming Growth Factor Alpha Gene Variants, and Maternal Exposures: Assessing Gene-Environment Interactions in Case-Parent Triads. Genetic Epidemiology. 367-374.
  • Vis forfatter(e) (2003). Avoidable stillbirths and neonatal deaths in rural Tanzania. British Journal of Obstetrics and Gynaecology. 616-623.
  • Vis forfatter(e) (2002). Variations in risk for disability pension in Norway 1970-1999: period or cohort effects?
  • Vis forfatter(e) (2002). Variants of developmental genes (TGFA,TGFB3 and MSX1) and their assiciation with facial clefts - A case-parent triad analysis.
  • Vis forfatter(e) (2002). The interval between pregnancies and the risk of preeclampsia. New England Journal of Medicine. 33-8.
  • Vis forfatter(e) (2002). Skeletal measurements among infants who die during the perinatal period: new population-based reference. Pediatric Radiology. 667-73.
  • Vis forfatter(e) (2002). Risk of birth defects by parental occupational exposure to 50 Hz electromagnetic fields: a population based study. Occupational and Environmental Medicine. 92-7.
  • Vis forfatter(e) (2002). Ossification sequence among infants who die during the perinatal period. Radiology. 240-244.
  • Vis forfatter(e) (2002). Maternal mortality in northern rural Tanzania; assessing the completeness of various information sources. Acta Obstetricia et Gynecologica Scandinavica. 301-307.
  • Vis forfatter(e) (2002). Maternal deaths in rural northern Tanzania.
  • Vis forfatter(e) (2002). Joint association of Apgar scores and early neonatal symptoms with minor disabilities at school age. Archives of Disease in Childhood: Fetal and Neonatal Edition. F16-F21.
  • Vis forfatter(e) (2002). How do we best detect toxic effects of drugs taken during pregnancy? A EuroMap paper. Drug Safety. 21-32.
  • Vis forfatter(e) (2002). How do we best detect toxic effects of drugs taken during pregnancy? Drug Safety. 21-32.
  • Vis forfatter(e) (2002). Down's syndrome and paternal age in Norway. Paediatric and Perinatal Epidemiology. 314-9.
  • Vis forfatter(e) (2002). Causes and characteristics of maternal deaths in rural northern Tanzania. Acta Obstetricia et Gynecologica Scandinavica. 1101-1109.
  • Vis forfatter(e) (2002). Barn født etter intracytoplasmisk spermieinjeksjon. .
  • Vis forfatter(e) (2002). Barn født etter intracytoplasmatisk spermieinjeksjon.
  • Vis forfatter(e) (2002). Barn født etter intracytoplasmatisk spermieinjeksjon. SMM-rapport 3/2002. SMM-rapport 3/2002. .
  • Vis forfatter(e) (2002). Anemia in pregnancy in rural Tanzania; associations with micro-nutritients status and infections. European Journal of Clinical Nutrition. 192-199.
  • Vis forfatter(e) (2001). The association of Apgar score with subsequent death and cerebral palsy; A population based study in term infants. Journal of Pediatrics. 798-803.
  • Vis forfatter(e) (2001). The association of Apgar score with subsequent death and cerebral palsy: A population-based study in term infants. Journal of Pediatrics. 798-803.
  • Vis forfatter(e) (2001). Survival and Reproduction among Males with Birth Defects and the Risk of Recurrence in their Children. Journal of the American Medical Association (JAMA). 755-760.
  • Vis forfatter(e) (2001). Skeletal measurements among infants who die during the perinatal period: a new population-based reference.
  • Vis forfatter(e) (2001). Perintal factors and incidence of chilhood onset type 1 diabetes: a large population based cohort study.
  • Vis forfatter(e) (2001). Perinatal factors and incidence of childhood-onset type 1 diabetes in a large poulation based cohort study.
  • Vis forfatter(e) (2001). Outcome of pregnancy in diabetic women - authors reply (letter). BMJ. British Medical Journal. 615.
  • Vis forfatter(e) (2001). Original communication. Homocysteine and methylmalonic acid levels in pregnant Nepali women. Should cobalamin supplementation be considered? European Journal of Clinical Nutrition. 856-864.
  • Vis forfatter(e) (2001). Neonatal mortality rates in communities with small maternity units compared whith those having larger maternity units. British Journal of Obstetrics and Gynaecology. 904-909.
  • Vis forfatter(e) (2001). Maternal hematological status and risk of low birth weight and preterm delivery in Nepal. Acta Obstetricia et Gynecologica Scandinavica. 402-408.
  • Vis forfatter(e) (2001). Maternal and paternal age at delivery, birth order, and risk of childhood onset type 1 diabetes: population based cohort study. BMJ. British Medical Journal. 369-371.
  • Vis forfatter(e) (2001). Maternal and paternal age at delivery, birth order, and risk of childhood onset type 1 diabetes: a population based cohort study. BMJ. British Medical Journal. 369-371.
  • Vis forfatter(e) (2001). Maternal age at delivery, birth order, and risk of childhood-onset type 1 diabetes: a population based cohort study.
  • Vis forfatter(e) (2001). Long term mortality of mothers and fathers after pre-eclampsia: population based cohort study. BMJ. British Medical Journal. 1213-1217.
  • Vis forfatter(e) (2001). Long term mortality of mothers and fathers after pre-eclampsia: population based cohort study. BMJ. British Medical Journal. 1213-1217.
  • Vis forfatter(e) (2001). Homocysteine and methylmalonic acid levels in pregnant Nepali women. Should cobalamin supplementation be considered? European Journal of Clinical Nutrition. 856-864.
  • Vis forfatter(e) (2001). Head circumference at birth and childhood-onset type 1 diabetes.
  • Vis forfatter(e) (2001). Birth weight and childhood onset type 1 diabetes: population based cohort study. BMJ. British Medical Journal. 889-892.
  • Vis forfatter(e) (2001). Birth weight and childhood onset type 1 diabetes: population based cohort study. BMJ. British Medical Journal. 889-892.
  • Vis forfatter(e) (2001). Birth interval as a risk factor for preeclampsia: implications for the observed effects of parity and paternity.
  • Vis forfatter(e) (2001). Anemia in pregnancy in the highlands of Tanzania. Acta Obstetricia et Gynecologica Scandinavica. 18-26.
  • Vis forfatter(e) (2000). The prevalence of anemia in pregnant Nepali women - a study in Katmandu. Acta Obstetricia et Gynecologica Scandinavica. 341-349.
  • Vis forfatter(e) (2000). The prevalence of anemia in pregnant Nepali women - a study in Kathmandu. Acta Obstetricia et Gynecologica Scandinavica. 341-349.
  • Vis forfatter(e) (2000). The diagnosis of urinary tract infections among pregnant women in rural Tanzania; prevalences and correspondence between different diagnostic methods. Acta Obstetricia et Gynecologica Scandinavica. 729-736.
  • Vis forfatter(e) (2000). The Norwegian Childhood Diabetes Study Group. Birth weight and risk of childhood type 1 diabetes: a population based cohort study.
  • Vis forfatter(e) (2000). Seasonal variation in risk of anemia among pregnant Nepali women. International Journal of Gynecology & Obstetrics. 215-222.
  • Vis forfatter(e) (2000). Registry based perinatal research. Acta Obstetricia et Gynecologica Scandinavica. 433-434.
  • Vis forfatter(e) (2000). Registry based perinatal research. Acta Obstetricia et Gynecologica Scandinavica. 433-434.
  • Vis forfatter(e) (2000). Outcome of pregnancy in diabetic women in northeast England and in Norway, 1994-7. BMJ. British Medical Journal. 730-731.
  • Vis forfatter(e) (2000). Outcome of pregnancy in diabetic women in northeast England and in Norway, 1994-7. BMJ. British Medical Journal. 730-731.
  • Vis forfatter(e) (2000). Invited commentary: intersecting perinatal mortality curves by gestational age - are appearances deceiving? American Journal of Epidemiology. 1117-1119.
  • Vis forfatter(e) (2000). Estimates of maternal mortality by the sisterhood method in rural northern Tanzania: a household sample and an antenatal clinic sample. British Journal of Obstetrics and Gynaecology. 1290-1297.
  • Vis forfatter(e) (2000). Birth weigth and risk of childhood type 1 diabetes: a population based cohort study.
  • Vis forfatter(e) (2000). Association between birth weight and the risk of childhood type 1 diabetes in a population based cohort study.
  • Vis forfatter(e) (2000). Association between birth weight and the risk of childhood type 1 diabetes in a nationwide cohort study.
  • Vis forfatter(e) (2000). Assessing quality of obstetric care for low-risk deliveries; methodological problems in the use of population based mortality data. Acta Obstetricia et Gynecologica Scandinavica. 478-484.
  • Vis forfatter(e) (2000). Anemia in pregnancy: possible causes and risk factors in Nepali women. European Journal of Clinical Nutrition. 3-8.
  • Vis forfatter(e) (1999). Relation between size of delivery unit and neonatal death in low risk deliveries: population based study. Archives of Disease in Childhood. 221-224.
  • Vis forfatter(e) (1999). Relation between size of delivery unit and neonatal death in low risk deliveries: population based study. Archives of Disease in Childhood. F221-F224.
  • Vis forfatter(e) (1999). Neonatal mortality in communities using small vs. communities using large maternity units for regular births.
  • Vis forfatter(e) (1999). Consanguinity and recurrence risk of stillbirth and infant death. American Journal of Public Health. 517-523.
  • Vis forfatter(e) (1999). Consanguinity and recurrence risk of birth defects: a population-based study. American Journal of Public Health. 423-428.
  • Vis forfatter(e) (1999). Causes of death in patients with peptic ulcer perforation: a long-term follow-up study. Scandinavian Journal of Gastroenterology. 18-24.
  • Vis forfatter(e) (1999). Allelic variants of candidate genes TGFA, TGFB3, and MSX1 and orofacial clefting in Norway: A case-parent triad approach.
  • Vis forfatter(e) (1999). Allelic variants of candidate genes TGFA, TGFB3 and MSX1 and orofacial clefting in Norway: A case-parent triad approach.
  • Vis forfatter(e) (1999). A population-based study of survival and childbearing among female subjects with birth defects and the risk of recurrence in their children. New England Journal of Medicine. 1057-1062.
  • Vis forfatter(e) (1998). Women with birth defects: Survival, fertility and offspring recurrence risk.
  • Vis forfatter(e) (1998). Relationship between size of delivery unit and neonatal death in low-risk deliveries: population based study. Archives of Disease in Childhood. 221-224.
  • Vis forfatter(e) (1998). Recurrence of birth defects through generations. Evidence for environmental effects?
  • Vis forfatter(e) (1998). Intervju om KNM-Kvikk saken.
  • Vis forfatter(e) (1998). Innslag om egen forskning (Preeklampsi).
  • Vis forfatter(e) (1998). Influence of consanguinity and maternal education on risk of stillbirth and infant death in Norway, 1967-1993. American Journal of Epidemiology. 452-459.
  • Vis forfatter(e) (1998). Influence of consanguinity and maternal education on risk of still birth and infant death in Norway 1967-1993. American Journal of Epidemiology. 452-8.
  • Vis forfatter(e) (1998). Influence of consanguinity and maternal education on risk of still birth and infant death in Norway 1967-1993. American Journal of Epidemiology. 452-8.
  • Vis forfatter(e) (1998). Genetic characterization of a cluster of Down�s syndrome babies among a cohort of mothers i Norway.
  • Vis forfatter(e) (1998). Fetal and maternal contributions to the risk of pre-eclampsia: population based study. BMJ. British Medical Journal. 1343-7.
  • Vis forfatter(e) (1998). Fetal and maternal contributions to risk of pre-eclampsia: population based study. BMJ. British Medical Journal. 1343-1347.
  • Vis forfatter(e) (1998). Fetal and maternal contributions to risk of pre-eclampsia: population based study. BMJ. British Medical Journal. 1343-1347.
  • Vis forfatter(e) (1998). Expected survival compared with survival of peptic ulcer patients. Statistics in Medicine. 1189-1199.
  • Vis forfatter(e) (1998). Expected survival and survival of peptic ulcer patients. Statistics in Medicine. 1189-1199.
  • Vis forfatter(e) (1998). Distinguishing the effects of maternal and offspring genes through studies of case-parent triads. American Journal of Epidemiology. 893-901.
  • Vis forfatter(e) (1998). Distinguishing maternal and fetal contributions to birth weight using half-sib data.
  • Vis forfatter(e) (1998). Deltagelse i paneldebatt, KNM-Kvikk saken.
  • Vis forfatter(e) (1998). Clubfoot in offspring of servicemen in the Royal Norwegian Navy. Teratology. 34.
  • Vis forfatter(e) (1998). Clubfoot in offspring of servicemen in the Royal Norwegian Navy. Teratology.
  • Vis forfatter(e) (1998). Artikkel om egen forskning. Legemidler og samfunn.
  • Vis forfatter(e) (1998). Artikkel om egen forskning. Dagbladet.
  • Vis forfatter(e) (1998). A log-Linear Approach to the Case-Parent-Triad Data: Assessing Effects of Disease Genes That Act Either Directly or through Maternal Effects and Th May Be Subject to Parental Imprinting. American Journal of Human Genetics. 969-978.
  • Vis forfatter(e) (1997). Sammenheng mellom fødestedets størrelse og risiko for neonatal mortalitet ved lavrisikofødsler.
  • Vis forfatter(e) (1997). Sammenheng mellom fødestedets størrelse og risiko for neonatal mortalitet ved lavrisikofødsler.
  • Vis forfatter(e) (1997). Parental Consanguinity and Recurrence of Stillbirth and Infant Death in Siblings.
  • Vis forfatter(e) (1997). Parental Consanguinity and Recurrence of Stillbirth and Infant Death in Siblings.
  • Vis forfatter(e) (1997). Parental Consanguinity and Recurrence of Stillbirth and Infant Death in Siblings.
  • Vis forfatter(e) (1997). Føtalt og maternelt bidrag til risiko for preeklampsi.
  • Vis forfatter(e) (1997). Føtalt og maternelt bidrag til risiko for preeklampsi.
  • Vis forfatter(e) (1997). Føtalt og maternelt bidrag til risiko for preeklampsi.
  • Vis forfatter(e) (1997). Distinguishing the effects of maternal and offspring genes through the studies of "case-parent triads".
  • Vis forfatter(e) (1997). Distinguishing the effects of maternal and offspring genes through the studies of "case-parent triads".
  • Vis forfatter(e) (1997). Distinguishing the effects of maternal and offspring genes through the studies of "case-parent triads".
  • Vis forfatter(e) (1997). Clubfoot in offspring of the servicemen in the Royal Norwagian Navy.

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