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Robert Bjerknes

Professor, vice rector of interdisciplinary affairs and large projects
  • E-mailRobert.Bjerknes@uib.no
  • Phone+47 55 58 68 51+47 922 98 233
  • Visitor Address
    Muséplassen 1
  • Postal Address
    Postboks 7800
    5020 Bergen
Academic article
  • 2020. References for ultrasound staging of breast maturation, tanner breast staging, pubic hair, and menarche in Norwegian girls. Journal of Clinical Endocrinology and Metabolism. 1599-1607.
  • 2020. Reference data for testicular volume measured with ultrasound and pubic hair in Norwegian boys are comparable with Northern European populations. Acta Paediatrica. 8 pages.
  • 2019. Testicular ultrasound to stratify hormone references in a cross-sectional Norwegian study of male puberty. Journal of Clinical Endocrinology and Metabolism. 27 pages.
  • 2019. Norwegian children and adolescents in blended families are at risk of larger one-year BMI increments. Acta Paediatrica. 1-8.
  • 2019. A family‐oriented intervention programme to curtail obesity from five years of age had no effect over no intervention. Acta Paediatrica. 1-9.
  • 2018. Ultrasound-based measurements of testicular volume in 6- to 16-year-old boys — intra- and interobserver agreement and comparison with Prader orchidometry. Pediatric Radiology. 1771-1778.
  • 2018. Ultrasound assessment of pubertal breast development in girls: intra- and interobserver agreement. Pediatric Radiology. 1576-1583.
  • 2018. Associations between different weight-related anthropometric traits and lifestyle factors in Norwegian children and adolescents: A case for measuring skinfolds. American Journal of Human Biology. 1-10.
  • 2017. Timing of menarche in Norwegian girls: Associations with body mass index, waist circumference and skinfold thickness. BMC Pediatrics. 1-6.
  • 2017. Social and somatic determinants of underweight, overweight and obesity at five years of age: A Norwegian regional cohort study. BMJ Open. 14 pages.
  • 2016. Hereditary hypophosphatemia in Norway: A retrospective population-based study of genotypes, phenotypes, and treatment complications. European Journal of Endocrinology. 125-136.
  • 2016. BMI and BMI SDS in childhood: annual increments and conditional change. Annals of Human Biology. 28-33.
  • 2015. Should children with overweight or obesity be excluded from height references? Archives of Disease in Childhood. 1044-1048.
  • 2014. Long-term clinical outcome and phenotypic variability in hyperphosphatemic familial tumoral calcinosis and hyperphosphatemic hyperostosis syndrome caused by a novel GALNT3 mutation; case report and review of the literature. BMC Genetics.
  • 2014. Interrelationships between anthropometric variables and overweight in childhood and adolescence. American Journal of Human Biology. 502-510.
  • 2013. TV viewing and obesity among Norwegian children: the importance of parental education. Acta Paediatrica. 199-205.
  • 2013. References and cutoffs for triceps and subscapular skinfolds in Norwegian children 4-16 years of age. European Journal of Clinical Nutrition. 928-933.
  • 2013. Growth references for 0-19 year-old Norwegian children for length/height, weight, body mass index and head circumference. Annals of Human Biology. 220-227.
  • 2013. Exome sequencing reveals FAM20c mutations associated with fibroblast growth factor 23-related hypophosphatemia, dental anomalies, and ectopic calcification. Journal of Bone and Mineral Research. 1378-1385.
  • 2011. Waist circumference and waist-to-height ratio in Norwegian children 4-18 years of age: Reference values and cut-off levels. Acta Paediatrica. 1576-1582.
  • 2011. Trikorhinofalangealt syndrom - klinisk presentasjon og genetikk. Tidsskrift for Den norske legeforening. 1420-1423.
  • 2011. Parental perception of overweight and underweight in children and adolescents. Acta Paediatrica. 260-265.
  • 2011. Growth of Belgian and Norwegian children compared to the WHO growth standards: Prevalence below -2 and above +2 standard deviations and the effect of breastfeeding. Archives of Disease in Childhood. 916-921.
  • 2011. A comparison of different definitions of growth response in short prepubertal children treated with growth hormone. Hypertension in Pregnancy. 335-345.
  • 2010. Overweight and obesity in Norwegian children: prevalence and socio-demographic risk factors. Acta Paediatrica. 900-905.
  • 2009. Vekstkurver: Hva er forskjellene mellom en referanse og en standard? Pediatrisk Endokrinologi. 53-56.
  • 2009. Vekstkurver for norske barn. Tidsskrift for Den norske legeforening. 281-286.
  • 2008. X-bundet hypofosfatemisk rakitt: Ny kunnskap om patofysiologi, behandling og oppfølging. Pediatrisk Endokrinologi. 70-78.
  • 2008. Sekulær økning i vekt hos barn og unge. Pediatrisk Endokrinologi. 16-24.
  • 2008. Pubertetsinduksjon med transdermalt østrogen hos jenter med Turner syndrom. Pediatrisk Endokrinologi. 79-83.
  • 2008. Forstyrrelser i den somatiske kjønnsutviklingen (4): Utredning av nyfødte med uklare kjønnskarakteristika. Pediatrisk Endokrinologi. 44-51.
  • 2008. A case of X-linked hypophosphatemic rickets: complications and the therapeutic use of cinacalcet. European Journal of Endocrinology. 101-105.
  • 2007. Overweight and obesity in Norwegian children: Secular trends in weight-for-height and skinfolds. Acta Paediatrica. 1333-1337.
  • 2005. Måling av vekst og vekt: En oversikt over anbefalte teknikker. Pediatrisk Endokrinologi. 23-29.
  • 2005. Monogenetiske adipositassyndromer. Pediatrisk Endokrinologi. 15-22.
  • 2005. Hvordan identifisere binyrebarksuppresjon hos barn som behandles med inhalasjonsstereoider? Tidsskrift for Den norske legeforening. 2033.
  • 2005. Den neuro-hypofysære-gonadale akse og hypogonadotrop hypogonadisme. Pediatrisk Endokrinologi. 61-69.
  • 2003. Sentral pubertas precox hos jenter: Utredning og behandling. Pediatrisk Endokrinologi. 52-59.
  • 2003. Pubertas recox hos jenter - en oppdatering. Pediatrisk Endokrinologi. 6-14.
  • 2003. Måling av binyrebarksteroider hos premature barn: Noen praktiske poenger. Pediatrisk Endokrinologi. 60-63.
  • 2003. Mutasjoner i gener for G-proteinkoblede reseptorer og G-proteiner som årsak til endokrine sykdommer. Pediatrisk Endokrinologi. 44-51.
  • 2003. Konsekvenser for den nyfødte av endokrin sykdom hos mor. Pediatrisk Endokrinologi. 26-33.
  • 2002. Short stature homeobox containing gene (SHOX) og kliniske syndromer assosiert med kortvoksthet. Pediatrisk Endokrinologi. 11-18.
  • 2002. Risiko for kreft etter veksthormonbehandling. Pediatrisk Endokrinologi. 47-50.
  • 2002. Ghrelin: Et nytt peptidhormon som regulerer veksthormonutskillelse og energimetabolisme. Pediatrisk Endokrinologi. 34-41.
  • 2002. Behandling av Graves sykdom hos barn og unge. Pediatrisk Endokrinologi. 42-46.
  • 2002. Behandling av Graves sykdom hos barn og unge. Pediatrisk Endokrinologi. 42-46.
  • 2001. Veksthormonbehandling ved dysmorfose syndromer. Pediatrisk Endokrinologi. 15-25.
  • 2001. Veksthormonbehandling av kortvokste barn født små for gestasjonsalder. Pediatrisk Endokrinologi. 47-52.
  • 2001. Urinary eosinophil protein X in children with asthma: influence of atopy and airway infections. Pediatric Allergy and Immunology. 34-41.
  • 2001. MR-undersøkelse av hypofysen ved mistanke om veksthormonmangel hos barn. Pediatrisk Endokrinologi. 53-58.
  • 2001. Kombinasjonsbehandling med veksthormon og GnRH-analog: Hva vet vi om effekt på sluttlengde? Pediatrisk Endokrinologi. 36-41.
  • 2001. Hyperfosfatasemi hos barn. Pediatrisk Endokrinologi. 26-31.
  • 2001. Generaliserte ødemer ved insulinbehandling av nyoppdaget diabetes mellitus. Tidsskrift for Den norske legeforening. 919-920.
  • 2001. Eosinophil counts and urinary eosinophil protein X in children hospitalized for wheezing during the first year of life: prediction of recurrent wheezing. Acta Paediatrica. 843-849.
  • 2001. Eosinophil counts and urinary eosinophil protein X in children hospitalize for wheezing during the first year of life: prediction of recurrent wheezing. Acta Paediatrica. 843-849.
  • 2000. Veksthormonmangel: Utredning og oppfølging ved overgang fra barn til voksen. Pediatrisk Endokrinologi. 16-22.
  • 2000. Veksthormonbehandling ved idiopatisk kortvoksthet. Pediatrisk Endokrinologi. 5-15.
  • 2000. Urinary eosinophil protein X in children with atopic dermatitis: relation to atopy and disease activity. Allergy. European Journal of Allergy and Clinical Immunology. 964-968.
  • 2000. Studies of Atlantic salmon (Salmo salar L.) blood, spleen and head kidney leucocytes using specific monoclonal antibodies, immunohistochemistry and flow cytometry. Fish and Shellfish Immunology. 695-710.
  • 2000. Soluble CD30 and CD23 in cord blood are not related to atopy in early childhood. Pediatric Allergy and Immunology. 220-224.
  • 2000. Reviderte europeiske retningslinjer for neonatal screening for kongenitt primær hypothyreose. Pediatrisk Endokrinologi. 38-40.
  • 2000. Prenatal behandling av 21-hydroksylasesvikt (adrenogenitalt syndrom) med dexamethason. Pediatrisk Endokrinologi. 64-67.
  • 2000. Klinisk dysmorfologi: En oversikt. Pediatrisk Endokrinologi. 29-37.
  • 2000. Insulinbehandling av barn med diabetes mellitus ved faste, narkose, undersøkelsesprosedyrer og operative inngrep. Pediatrisk Endokrinologi. 61-63.
  • 1999. Utredning av hyperandrogenisme hos jenter etter nyfødtperioden. Pediatrisk Endokrinologi. 28-42.
  • 1999. Turner syndrom 1999: Molekylær genetikk og biologi. Pediatrisk Endokrinologi. 55-59.
  • 1999. Turner syndrom 1999. Pediatrisk Endokrinologi. 5-15.
  • 1999. Pubertetsinduksjon hos gutter. Pediatrisk Endokrinologi. 60-65.
  • 1999. Lipodystrofi. Pediatrisk Endokrinologi. 75-81.
  • 1999. Insulin-like growth factor -1 (IGF-1) is a costimulator of the expansion of lineage committed cells derived from peripheral blood mobilized CD34+ cells in multiple myeloma patients. Hematology ASH Education Program. 217-229.
  • 1999. Behandling og kontroll av X-bundet hypofosfatemisk rakitt hos barn. Pediatrisk Endokrinologi. 66-74.
  • 1999. Bardet-Biedl syndrom. Pediatrisk Endokrinologi. 43-46.
  • 1998. Utredning ved mistanke om Cushing syndrom. Pediatrisk Endokrinologi. 67-78.
  • 1998. Ultralydsundersøkele av genitalia interna hos jenter med pubertas precox. Pediatrisk Endokrinologi. 20-28.
  • 1998. Leptin: Fettvevets hormon. Pediatrisk Endokrinologi. 7-11.
  • 1998. Is serum eosinophil cationic protein in bronchiolitis a predictor of asthma? Pediatric Allergy and Immunology. 204-207.
  • 1998. Insulin-like growth factor-1 (IGF-1) has a costimulatory effect on proliferation of committed progenitors derived from human umbilical cord CD34+ cells. Stem Cells. 334-342.
  • 1998. Hyperprolaktinemi hos barn. Pediatrisk Endokrinologi. 79-95.
  • 1998. Familial disseminated infection due to atypical mycobacterial with childhood onset. Clinical Infectious Diseases. 822-825.
  • 1998. Differential patterns of circulating adhesion molecules in children with bronchial asthma, and acute bronchiolitis. Pediatric Allergy and Immunology. 73-79.
  • 1998. Correlates of apoptosis of CD4 and CD8 T cells in tonsillar tissue in HIV-1 infection. AIDS Research and Human Retroviruses. 1635-1643.
  • 1998. Concentrations of cytokines in plasma of patients with large burns: Their relation to time after injury, burn size, inflammatory variables, infection, and outcome. The European Journal of Surgery. 647-656.
  • 1998. Apert syndrom. Pediatrisk Endokrinologi. 29-23.
  • 1997. Serum eosinophil cationic protein and interleukin-5 in childeren with bronchial asthma and acute bronchiolitis. Pediatric Allergy and Immunology. 170-176.
  • 1997. Pituitary dwarfism in the R271W Pit-1 gene mutation. European Journal of Pediatrics. 829-834.
  • 1997. Nyoppdaget diabetes mellitus hos barn. Pediatrisk Endokrinologi. 5-15.
  • 1997. Increased neutriphil insulin-like growth factor-I(IGF-I) receptor expr ession and IGF-I induced functional capacity in patients with untreated Laron syndrome. European Journal of Endocrinology. 92-95.
  • 1997. Impaired actin polymerization and depolymerization in neutrophils from patients with thermal injury. Burns. 131-136.
  • 1997. Dubowitz assessment of gestational age and agreement with prenatal methods. American Journal of Perinatology. 369-373.
  • 1997. Body proportions and early neonatal morbidity in small for gestational age infants of successive births. Acta Obstetricia et Gynecologica Scandinavica. 76-81.
  • 1996. Reduced CD4 cell counts in blood do not reflect CD4 cell depletion in tonsillar tissue in asymptomatic HIV-1 infection. AIDS (London). F35-F38.
  • 1996. Increased neurophil insulin-like growth factor-I (IGF-I) receptor expression and IGF-I induced functional capacity in patients with untreated Laron syndrome. European Journal of Endocrinology. Supplement.
  • 1996. Impaired action polymerization abd depolymerization in neurophils from patients with thermal injury. Burns.
  • 1996. Dynamics of HIV-1 replication following influenza vaccintaion of HIV positive individuals. Clinical and Experimental Immunology. 203-207.
  • 1996. Dynamics of HIV-1 replication following influenza vaccination of HIV positive individuals. Clinical and Experimental Immunology. 203-207.
  • 1995. The microbial colonization of large burn wounds. Burns. 575-579.
  • 1995. Priming of human polymorphonuclear neutrophilic leukocytes by insulin-like growth factor I: increased phagocytic capacity, complement receptor expression, degranulation, and oxidative burst. Journal of Clinical Endocrinology and Metabolism. 1948-1955.
  • 1995. Neisserial porins inhibit human neutrophil actin polymerization, degranulation, opsonin receptor expression, and phagocytosis, but prime the neutrophils to increase their oxidative burst. Infection and Immunity. 160-167.
  • 1995. Microbial colonization of large wounds. Burns. 575-579.
  • 1995. Increased levels of circulating interleukin-8 in patients with large burns: Relation to burn size and sepsis. Journal of Trauma. 635-640.
  • 1995. Increased levels of circulating interleukin-8 in patients with large burns: Relation to burn size and sepsis. Journal of Trauma. 635-640.
  • 1994. Activation of polymorphonuclear neutrophilic granulocytes following burn injury: alteration of FC-receptor and complement-receptor expression and of opsonophagocytosis. Journal of Trauma. 161-167.
  • 1993. The frequency of bacteremia and fungemia following wound cleaning and excision in patients with large burns. Journal of Trauma. 742-749.
  • 1993. Inhibition of human neutrophilactin polymerization, phagocytosis and oxidative burst by components of decongestive nosedrops. Pharm Toxicol. 41-45.
  • 1993. Inhibition of human neutrophil actin polymerization, phagocytosis and oxidative burst by components of decongestive nosedrops. Pharmacology and Toxicology. 41-45.
  • 1993. Effects on human respiratory mucosa and human granulocytes of decongestive nosedrops and topical nasal steroids in vitro. Allergy, Supplement. 22.
  • 1993. Crossreacting serum opsonins to meningococci after vaccination. Journal of Infectious Diseases. 1314-1319.
  • 1993. Cross-reacting serum opsonins to meningococci after vaccination. Journal of Infectious Diseases. 1314-1319.
  • 1992. Ganciclovir therapy of congenital cytomegalovirus disease. Acta Paediatrica. 707-708.
  • 1992. Crossreacting serum opsonins in patients with meningococcal disease. Infection and Immunity. 2777-2783.
  • 1992. Colony-Forming Units - Granulocyte/Macrophage and DNA synthesis of human bone marrow are circadian stage-dependent and show covariation. Blood. 2281-2287.
  • 1991. Vekst ved astma bronkiale. Pediatrisk Endokrinologi. 67-69.
  • 1991. The IgG FcRII and the PI-linked IgG Fc3 trigger cytoplasmic calcium fluxes independently in human granulocytes. Scandinavian Journal of Immunology. 261-266.
  • 1991. DNA synthesis in human bone marrow is circadian stage dependent. Blood. 2603-2611.
  • 1991. Circadian stage dependent variation of cortisol related to DNA synthesis in human bone marrow. Annals of the New York Academy of Sciences. 605-609.
Report
  • 2000. Veksthormonmangel: Utredning og oppfølging ved overgang fra barn til voksen. .
  • 1997. Kompetanseutvikling ved Barneklinikken, Haukeland Sykehus. .
Popular scientific lecture
  • 1997. Defective production of interferon gamma and interleukin in a boy with disseminated Myobacterium avium infection.
  • 1995. Hypo- og hyperthyreose.
  • 1995. Glandula thyreoidea stoffskiftet.
Academic lecture
  • 1999. Insulin edema in children.
  • 1996. Priming of neutrophils by insulin-like growth factor I.
  • 1996. Impaired actin polymerization and depolymerization in PMNLs from patients with thermal injury.
  • 1996. Growth hormone and insuline like growth fator I enhance the tumor necrosis factor alpha and interleukin-8 induced priming of human neuro phils in vitro.
  • 1995. Viral and immunological responses after parenteral influenza vaccination of HIV positive individuals.
  • 1995. Priming of human neutrophils by insulin-like growth factor-I.
  • 1995. Plasma cytokines in patients with large burns.
  • 1995. Increased levels of circulating IL-8 in patients with large burns: Relation to burn size and sepsis.
  • 1995. Characterization of 1,25-dihydroxyvitamin D%c induced human monocyte to macrophage differentiation in vitro.
Editorial
  • 2012. The use of local reference growth charts for clinical use or a universal standard: A balanced appraisal. Journal of Endocrinological Investigation. 224-226.
  • 2001. Inhalasjonssteroider og vekst. Tidsskrift for Den norske legeforening. 281.
  • 2001. Children are not small adults. Tidsskrift for Den norske legeforening. 549.
Book review
  • 2003. Bokanmeldelse: "Pediatric Endocrinology": MA Sperling (red). Pediatrisk Endokrinologi. 71-72.
  • 2003. Bokanmeldelse: "Diagnostics of Endocrine Function in Children and Adolescents": MB Ranke (red). Pediatrisk Endokrinologi. 73-74.
  • 2001. "Clinical Pediatric Endocrinology": CGD Brook & PC Hindmarsh (red). Pediatrisk Endokrinologi. 66-67.
Non-fiction book
  • 1996. Hypoxia induced impairment of granulocyte function. AGARD-CP-579/NATO.
  • 1992. Flow cytometry in hematology. Academic Press, London.
  • 1992. Flow Cytometry in Hematology. Academic Press Limited, London, San Diego.
  • 1991. Flow cytometry in hematology: Analytical Cytology Series. Academic Press Ltd.,.
Feature article
  • 2017. Nye kurver for kroppsmasseindeks blant barn og unge. Tidsskrift for Den norske legeforening. 1397-1398.
  • 2016. Nye referansekurver for vektrelaterte kroppsmål hos barn. Tidsskrift for Den norske legeforening. 1828-1830.
  • 1998. Professor dr.med. Dagfinn Aarskog 70 år. Pediatrisk Endokrinologi. 41-43.
  • 1998. Oversiktlig om barns helsetilstand i Danmark (Bokanmeldelse). Tidsskrift for Den norske legeforening. 3418.
Doctoral dissertation
  • 2016. Hereditary phosphate balance disorders in Norwegian children.
  • 1985. Flow cytometric studies of human phagocyte functions.
Academic chapter/article/Conference paper
  • 1999. Oropharyngeal infections in patients with hematologic malignancy. 1 pages.
  • 1999. Oral infections in patients who have hematologic malignancy. 0 pages.
  • 1999. Infections in patients with chronic myelocytic leukemia. 5 pages.
  • 1999. Infections in patients who have chronic lymphocytic leukemia. 1 pages.
  • 1999. Infections in hematologic malignancy. 1 pages.
  • 1999. Hematologic malignancy. 1 pages.
  • 1998. Neutrophil phagocytosis - influence of opsonins, neutrophil activation and microbial characteristics. In: Phagocyte function: A guide for research clinical evaluation. 30 pages.
  • 1998. Hypokalsemi. -6 pages.
  • 1998. Hyperkalsemi. -7 pages.
  • 1998. Binyrebarksvikt. -8 pages.
  • 1992. Pathological conditions. 15 pages.
  • 1992. Bacterial and viral infections. 15 pages.
  • 1992. Analysis of phagocyte-microorganism interactions. 19 pages.
  • 1992. Analysis of phagocyte - Microorganism interactions. 19 pages.
  • 1992. Anal Cytology Series. 10 pages.
  • 1991. Spheroids of normal tissue in culture.
  • 1991. Speroid of normal tissue in culture. 21 pages.
  • 1991. Circadian stage dependent variation of cortisol related to DNA synthesis in human bone marrow. 5 pages.
Abstract
  • 2009. What is a poor growth response to rhGH therapy? A comparison of different definitions of growth response in 456 Nordic short statured children treated with rhGH. Hormone Research. 100-100.
  • 2009. Growth of Belgian and Norwegian children compared to the WHO growth standards: prevalence outside normal limits and the effect of breast-feeding. Hormone Research. 199-199.
Poster
  • 2008. Comparison of new growth curves for Norwegian children with the existing national charts and the WHO growth standards.
  • 2007. Overweight and obesity in Norwegian children: Secular trends and current prevalence.
  • 2002. Prolactin and estradiol, but not testosterone, inhibit tumor necrosis factor (TNF) and interferon (INF) induced apoptosis in the human thyroid carcinoma cell line FTC 133.
  • 2001. An Apparently Non-Mosaic 45,X Turner Syndrome Patient Having Three Children, One with Turner Syndrome Due to a 46,X,del(X)(p21) karotype.
  • 1998. T cell subsets and HIV viral load in lymphoid tissue after two years with or without antiretroviral treatment. Abstract nr. 2043.
  • 1998. Potent antretroviral therapy increases the fraction of "truly naive" T-cells and reduces HIV-1 viral load in tonsillar tissue. Abstract nr. 2011 ti "Keystone Symposia" HIV-pathogenesis and treatment.
  • 1996. T-cell subsets in pharyngeal tonsils in HIV positive and negative individuals.
Academic literature review
  • 2007. Nordisk konsensus for behandling av testisretensjon. 65-68.
  • 2007. Forstyrrelser i den somatiske kjønnsutviklingen (3): Patofysiologi og kliniske bilder. 53-64.
  • 2007. Forstyrrelser i den somatiske kjønnsdifferensieringen (2): Normal fysiologi. 12-22.
  • 2007. Cryptorchidism: classification, prevalence and long-term consequences. 611-616.
  • 2006. Marfan syndrom: en oppdatering. 21-27.
  • 2006. Forstyrrelser i den somatiske kjønnsutviklingen (1): Nomenklatur og klassifikasjon. 48-51.
  • 2006. Diagnostiske kriterier for veksthormonmangel hos barn. 60-64.
  • 2005. Molekylærdiagnostikk av endokrine sykdommer. 2959-2963.
  • 2004. Veksthormonbehandling av barn født SGA uten innhentingsvekst. 78-85.
  • 2004. Overvekt og fedme hos barn og unge. 6-23.
  • 2004. Medisinsk utredning av overvekt og fedme hos barn og unge. 31-34.
  • 2004. Hvordan skal vi måle og definere overvekt og fedme hos barn og unge? 24-30.
  • 2004. Effekt av Atkinsdietten og andre lavkarbohydratdietter på vekttap, lipid- og glukosemetabolismen. 86-91.
  • 2000. Veksthormonmangel: Utredning og oppfølging ved overgangen fra barn til voksen. 16-22.
Interview Journal
  • 2006. Dagfinn Aarskog takker av som redaktør for Pediatrisk Endokrinologi. Pediatrisk Endokrinologi. 36-37.

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