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    Postboks 7807
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Academic article
  • 2018. The implementation of guided Internet-based cognitive behaviour therapy for panic disorder in a routine-care setting: effectiveness and implementation efforts. Cognitive Behaviour Therapy. 62-75.
  • 2018. The effectiveness of guided internet-based cognitive behavioral therapy for social anxiety disorder in a routine care setting. Internet Interventions. 24-29.
  • 2018. Predictors of long-term outcome of CBT for youth with anxiety disorders treated in community clinics. Journal of Anxiety Disorders. 53-63.
  • 2018. Internet-delivered cognitive-behavioral therapy for insomnia and comorbid symptoms. Internet Interventions. 11-15.
  • 2017. The short-term efficacy of an unguided internet-based cognitive-behavioral therapy for insomnia: A randomized controlled trial with a six-month nonrandomized follow-up. Behavioural Sleep Medicine. 137-155.
  • 2017. Subtyping social anxiety in youth. Journal of Anxiety Disorders. 40-47.
  • 2017. Motivation and treatment credibility predict alliance in cognitive behavioral treatment for youth with anxiety disorders in community clinics. Journal of Clinical Psychology. 793-805.
  • 2017. Long-term effectiveness of cognitive behavioral therapy for youth with anxiety disorders. Journal of Anxiety Disorders. 58-67.
  • 2017. Inter-rater reliability of professional-caregiver-reported life events in adults with intellectual disabilities. Journal of Intellectual Disability Research. 697-706.
  • 2017. Guided internet-based cognitive behavioral therapy for mild and moderate depression: a benchmarking study. Internet Interventions. 1-8.
  • 2017. Cognitive function among long-term survivors of heart transplantation. Clinical Transplantation. 1-8.
  • 2017. Behavioral inhibition in boys with sex chromosome aneuploidies compared to a clinical sample . Advances in Neurodevelopmental Disorders.
  • 2016. Type and intensity of negative life events are associated with depression in adults with intellectual disabilities. American Journal on Intellectual and Developmental Disabilities. 419-431.
  • 2016. Therapist-youth agreement on alliance change predicts long-term outcome in CBT for anxiety disorders. Journal of Child Psychology and Psychiatry. 625-632.
  • 2016. Stepped Care Versus Direct Face-to-Face Cognitive Behavior Therapy for Social Anxiety Disorder and Panic Disorder: A Randomized Effectiveness Trial. Behavior Therapy. 166-183.
  • 2016. Psychopathology and personality characteristics in pathological gamblers: Identifying subgroups of gamblers. Journal of Gambling Issues. 68-88.
  • 2016. Predictors of treatment outcome in an effectiveness trial of cognitive behavioral therapy for children with anxiety disorders. Behaviour Research and Therapy. 1-12.
  • 2016. Peak oxygen uptake and self-reported physical health are strong predictors of long-term survival after heart transplantation. Clinical Transplantation. 161-169.
  • 2016. Internet-supported versus face-to-face cognitive behavior therapy for depression. Expert Review of Neurotherapeutics. 55-60.
  • 2016. Competence and adherence scale for cognitive behavioral therapy (CAS-CBT) for anxiety disorders in youth: Psychometric properties. Psychological Assessment. 908-916.
  • 2016. A survey of clinical psychologists' attitudes toward treatment manuals. Professional Psychology: Research and Practice. 340-346.
  • 2015. Working alliance and competence as predictors of outcome in cognitive behavioral therapy for social anxiety and panic disorder in adults. Behaviour Research and Therapy. 40-51.
  • 2015. Veiledet internett-behandling for mild og moderat depresjon : en pilotstudie. Tidsskrift for Norsk Psykologforening. 647-654.
  • 2015. Stepped care versus face-to-face cognitive behavior therapy for panic disorder and social anxiety disorder: Predictors and moderators of outcome. Behaviour Research and Therapy. 76-89.
  • 2015. Socio-emotional problems in boys with sex chromosome aneuploidies compared to a clinical sample. Children's health care. 40-53.
  • 2015. Reactive attachment disorder and disinhibited social engagement disorder in school-aged foster children - a confirmatory approach to dimensional measures. Journal of Abnormal Child Psychology. 13 pages.
  • 2015. Reactive Attachment Disorder and Disinhibited Social Engagement Disorder in School-Aged Foster Children - A Confirmatory Approach to Dimensional Measures. Journal of Abnormal Child Psychology. 445-457.
  • 2015. Predictors of dropout from community clinic child CBT for anxiety disorders. Journal of Anxiety Disorders. 1-10.
  • 2015. Patient and therapist perspectives on alliance development: Therapists' practice experiences as predictors. Clinical Psychology and Psychotherapy. 317-327.
  • 2015. Love yourself as a person, doubt yourself as a therapist? Clinical Psychology and Psychotherapy. 48-60.
  • 2015. Internet-delivered cognitive behavioural therapy with and without an initial face-to-face psychoeducation session for social anxiety disorder: a pilot randomized controlled trial. Internet Interventions. 429-436.
  • 2015. HPA axis related genes and response to psychological therapies: genetics and epigenetics. Depression and Anxiety. 861-870.
  • 2015. A feasibility study on combining internet-based cognitive behaviour therapy with physical exercise as treatment for panic disorder—treatment protocol and preliminary results. Cognitive Behaviour Therapy. 275-287.
  • 2014. Screening Foster Children for Mental Disorders: Properties of the Strengths and Difficulties Questionnaire. PLOS ONE. 11 pages.
  • 2014. Parents’ prenatal mental health and emotional, behavioral and social development in their children. Child Psychiatry and Human Development. 874-883.
  • 2014. Does paternal mental health in pregnancy predict persistent physical aggressive behavior in their children. European Child and Adolescent Psychiatry. 993-1002.
  • 2014. An effectiveness study of individual vs. group cognitive behavioral therapy for anxiety disorders in youth. Behaviour Research and Therapy. 1-12.
  • 2013. The Contribution of the quality of therapists' personal lives to the development of the working alliance. Journal of Counseling Psychology. 483-495.
  • 2013. Mental disorders in foster children: a study of prevalence, comorbidity and risk factors. Child and Adolescent Psychiatry and Mental Health (CAPMH). 12 pages.
  • 2012. Panic disorder in rural Tanzania: an explorative study. African Journal of Psychiatry. 42-46.
  • 2012. Outcome predictors in guided and unguided self-help for social anxiety disorder. Behaviour Research and Therapy. 13-21.
  • 2012. Factor structure and validity of the therapy process observational coding system for child psychotherapy-alliance scale. Journal of Clinical Child & Adolescent Psychology. 246-254.
  • 2012. Affect integration as a predictor of change: Affect consciousness and treatment response in open-ended psychotherapy. Psychotherapy Research. 656-672.
  • 2011. Use of Self-Help Materials for Anxiety and Depression in Mental Health Services: A National Survey of Psychologists in Norway. Professional Psychology: Research and Practice. 185-191.
  • 2011. Assessment of Affect Integration: Validation of the Affect Consciousness Construct. Journal of Personality Assessment. 257-265.
  • 2010. Patient characteristics and predictors of sleep medication use. International Clinical Psychopharmacology. 91-100.
  • 2010. Guided self-help via internet for panic disorder: Dissemination across countries. Computers in Human Behavior. 592-596.
  • 2010. Developmental level and other factors associated with symptoms of mental disorders and problem behaviour in adults with intellectual disabilities living in the community. Social Psychiatry and Psychiatric Epidemiology. 105-113.
  • 2010. Development of working alliance over the course of psychotherapy. Psychology and Psychotherapy: Theory, Research and Practice. 145-159.
  • 2010. A preliminary study of the naturalistic course of non-manualized psychotherapy for outpatients with borderline personality disorder: Patient characteristics, attrition and outcome. Nordic Journal of Psychiatry. 87-93.
  • 2009. Therapist characteristics influencing the quality of alliance in long-term psychotherapy. Clinical Psychology and Psychotherapy. 100-110.
  • 2009. Pretreatment patient characteristics related to the level and development of working alliance in long-term psychotherapy. Psychotherapy Research. 172-180.
  • 2009. Pretreatment patient characteristics related to the level and development of working alliance in long-term psychotherapy. Psychotherapy Research. 172-180.
  • 2009. Intrusion and avoidance in subjects undergoing genetic investigation and counseling for hereditary cancer. Supportive Care in Cancer. 1371-1381.
  • 2009. Developmental level and other factors associated with symptoms of mental disorders and problem behaviour in adults with intellectual disabilities living in the community. Social Psychiatry and Psychiatric Epidemiology. 105-113.
  • 2008. Psychometric properties of Psychopathology checklists for Adults with Intellectual Disability (P-AID) on a community sample of adults with intellectual disability. Research in Developmental Disabilities. 467-482.
  • 2008. Mental disorders and problem behaviour in a community sample of adults with intellectual disability: Three-month prevalence and comorbidity. Journal of Mental Health Research in Intellectual Disabilities. 223-237.
  • 2008. Daytime functioning in older patients suffering from chronic insomnia: Treatment outcome in a randomized controlled trial comparing CBT with Zopiclone. Behaviour Research and Therapy. 623-641.
  • 2008. Clinical significance of periodic limb movement disorder (PLMD) in insomnia patients. The Open Sleep Journal. 52-57.
  • 2008. Anxiety and depression among subjects attending genetic counseling for hereditary cancer. Patient Education and Counseling. 234-243.
  • 2007. Validation of the SASB introject surface in a Norwegian clinical and nonclinical sample. Journal of Personality Assessment. 235-245.
  • 2007. Selvvurdert helse og psykiske symptomer etter hjertetransplantasjon. Tidsskrift for Den norske legeforening. 3198-3201.
  • 2007. Risk perception, worry and satisfaction related to genetic counseling for hereditary cancer. Journal of Genetic Counseling. 211-222.
  • 2007. Quality of life and psychological symptoms after heart transplantation. Tidsskrift for Den norske legeforening. 3198-3201.
  • 2007. Depressive symptoms and all-cause mortality after heart transplantation. Transplantation. 97-103.
  • 2007. Depressive Symptoms and All-Cause Mortality After Heart Transplantation. Transplantation. 97-103.
  • 2006. Cognitive behavioral therapy vs zopiclone for treatment of chronic primary insomnia in older adults - A randomized controlled trial. Journal of the American Medical Association (JAMA).
  • 2006. Circumplex structure and personality disorder correlates of the interpersonal problems model (IIP-C): Construct validity and clinical implications. Psychological Assessment.
  • 2006. Circumplex Structure and Personality Disorders Correlates of the Interpersonal Problems Model (IIP-C): Construct validity and clinical implications. Psychological Assessment. 165-173.
  • 2006. A comparison of actigraphy and polysomnography in older adults treated for chronic primary insomnia. Sleep. 1353-1358.
  • 2003. TCO symptoms as markers of violence in a sample of severely violent psychiatric inpatienst. International Journal of Forensic Mental Health. 87-97.
  • 2003. Behavioral treatment of insomnia in older adults: An open trial comparing two interventions. Behaviour Research and Therapy. 31-48.
  • 2002. Quality of working alliance in psychotherapy: Diagnoses, relationships, and intrapsychic variables as predictors. Psychotherapy and Psychosomatics. 18-27.
  • 2002. Quality of early working alliance in psychotherapy - diagnoses, relationship, and intrapsychic variables as predictors. Psychotherapy and Psychosomatics. 18-27.
  • 2002. Psychological characteristics of elderly insomniacs. Scandinavian Journal of Psychology. 425-432.
  • 2002. Illness understanding and causal attribution in wives of myocardial infarction patients. Psychology and Psychotherapy. 101-114.
  • 2002. Chronic pain patients: Patterns of change in intrepersonal problems, pain intensity, and depression/anxiety. Psychotherapy Research. 339-354.
  • 2002. Chronic pain patients: Patterns of change in interpersonal problems, pain intensity, and depression/anxiety. Psychotherapy Research. 339-354.
  • 2002. Chronic pain patients: Patterns of change in interpersonal problems, pain intensity, and depression-anxiety. Psychotherapy Research. 339-354.
  • 2001. Social support and emotional adjustment during and after a severe life event: A study of wives of myocardial infarction patients. Psychology and Health. 343-355.
  • 2001. Quality of working alliance in psychotherapy: Therapist variables and patient/therapist similarity as predictors. Journal of Psychotherapy Practice and Research. 205-216.
  • 2001. Quality of working alliance in psychotherapy: Therapist variables and patient/therapist similarity as predictors. Journal of Psychotherapy Practice and Research. 205-216.
  • 2001. Psychological functioning, bodily conditions and chronic pain. British Journal of Medical Psychology. 183-195.
  • 2001. Prevalence of insomnia in the adult Norwegian population. Sleep. 771-779.
  • 2001. Kan noen trær vokse inn i himmelen? Refleksjoner over omfanget av norsk psykologutdanning. Tidsskrift for Norsk Psykologforening. 109-116.
  • 2001. Clinical assessment and treatment of insomnia. Professional Psychology:Research and Practice. 115-124.
  • 2000. More than one way to change: A study of course heterogeneity during and after short-term psychiatric in-patient treatment. Scandinavian Journal of Psychology. 91-100.
  • 1998. Myocardial infarction - emotional consequences for the wife. Psychology and Health. 135-146.
  • 1998. Life after a myocardial infarction - the wive's point of view. Psychological Reports. 1203-1216.
  • 1998. Life after a myocardial infarction - the wive's point of view. Psychological Reports. 1203-1216.
  • 1998. Correlates of family competence in families with paternal alcohol abuse. Psychological Reports.
  • 1996. The interrater reliability of the Scale for Prediction of Aggression and Dangerousness in Psychotic Patients (PAD). Criminal Justice and Behavior. 440-454.
  • 1996. MMPI-PD skalaene. Etterprøving av psykometriske egenskaper i et norsk utvalg. Tidsskrift for Norsk Psykologforening. 942-951.
  • 1995. En sunn sjel i en sunn kropp? Forandring i kroppsforhold etter korttids dynamisk psykoterapi. Tidsskrift for Norsk Psykologforening. 220-231.
  • 1994. Integrert teknikkbruk i korttidsdynamisk psykoterapi. Tidsskrift for Norsk Psykologforening. 197-204.
  • 1993. Behandlingsvurdering. Inntrykk. 10-12.
  • 1992. Informasjon og kommunikasjon - hvordan kan vi påvirke pasientens sykdomsforståelse? Omsorg. 6-10.
  • 1991. Sammenheng mellom kroppsforhold og psykopatologi. Noen funn fra Bergens-prosjektet om korttids dynamisk psykoterapi. Tidsskrift for Norsk Psykologforening. 467-476.
  • 1991. Fra klinisk tolkning til avvik fra et gjennomsnitt - en utprøving av Killingsmos Rorschach-system. En psykometrisk utprøving av en skåringsmanual f egoprofilen i Killingmos Rorschach-system. Tidsskrift for Norsk Psykologforening. 895-905.
  • 1991. "Uegnede" pasienter, eller egnet terapi? Erfaringer med korttids dynamisk psykoterapi for pasienter som ikke oppfyller ordinære inklusjonskriterier. Tidsskrift for Norsk Psykologforening. 91-98.
Academic lecture
  • 2017. Foster parents’ use of parenting strategies: Associations with symptoms of attachment disorders in foster children.
  • 2016. Stress- and Trauma-Related Disorders Disturbed relational behavior in foster children without institutional rearing -Symposium.
  • 2015. Reactive attachment disorder and >disinhibited social engagement disorder in school-aged foster children-a confirmatory approach to dimensional measures. .
  • 2015. Participant Experiences of Augmented Treatment Combining Internet Based CBT and Physical Exercise as Treatment for Panic Disorder - Preliminary Findings from Qualitative Interviews. iN Anders Hovland (Chair), Augmenting CBT with physical exercise for anxiety disorders.
  • 2015. Combining Internet Based Cognitive Behaviour Therapy with Physical Exercise as Treatment for Panic Disorder - Treatment Protocol and Preliminary Results from a Feasibility Study. In: Anders Hovland (Chair), Augmenting CBT with physical exercise for anxiety disorders.
  • 2014. Psychometric evaluation of a measure for adherence/competence for CBT with child anxiety disorders.
  • 2013. Therapists' experiences of difficulties inpractice and their self-images (introjects). Does the interplay between thesefactors affect patient outcome from psychotherapy?
  • 2013. Therapeutic alliance as a facilitator of treatment response.
  • 2013. Predictors of treatment outcome in CBT for youth with social anxiety disorder.
  • 2013. Predictors of treatment outcome in CBT for youth with anxiety disorders.
  • 2012. Prevalence of mental health disorders in foster children.
  • 2012. Prevalence and correlates of mental disorders in foster children.
  • 2008. Therapist characteristics influencing the quality of working alliance.
  • 2008. The Norwegian Multicenter Project for the Study of Process and Outcome of Psychotherapy – Some preliminary analysis of outcome.
  • 2008. Self-Help via Internet with Minimal Therapist Contact for Panic Disorder: A pilot study.
  • 2008. Interpersonal problems and personality disorders. Some findings from the Norwegian Multisite Project for the Study of Process and Outcome of Psychotherapy.
  • 2008. Interpersonal problems and personality disorders. Some findings from the Norwegian Multicenter Project for the Study of Process and Outcome of Psychotherapy.
  • 2008. Depressive symptoms and all-cause mortality after heart transplantation.
  • 2008. Changes in depression after heart transplantation: a 5 year follow-up.
  • 2008. Assessment and Treatment of Panic Disorder in Rural Tanzania-Development of a Treatment Manual.
  • 2008. Affect consciousness and mental health; measurement issues, validity and prediction of change. Some findings from the Norwegian Multisite Project for the Study of Process and Outcome of Psychotherapy.
  • 2008. Affect consciousness and mental health; measurement issues, validity and prediction of change. Some findings from the Norwegian Multicenter Project for the Study of Process and Outcome of Psychotherapy.
  • 2007. Dobbelkompetanseprosjektet – bakgrunn og utvikling.
  • 2007. Dobbelkompetanseprosjekt - bakgrunn og fremtidsperspektiv.
  • 2007. Dobbelkompetanseprosjekt - bakgrunn og fremtidsperspektiv.
  • 2007. Depressive symptoms and all-cause mortality after heart transplantation.
  • 2006. Klinisk bruk av MMPI-2.
  • 2006. Klinisk bruk av MMPI-2.
  • 2006. Klinisk bruk av MMPI-2.
  • 2006. Har forskning noe å si for psykisk helsevern?
  • 2006. Depressive symptoms and all-cause mortality after heart transplantation.
  • 2006. Child and adolescent mental health care, dissemination and research in Norway.
  • 2006. Behandlingsmanualer – bedre eller verre enn sitt rykte?
  • 2005. Globale vurderinger av bedring. Noen funn fra ”The Norwegian multicenter project for the study of process and outcome of psychotherapy”.
  • 2005. Forskningsstrategi Helse Vest RHF/UIB: Forskningsprogrammet psykiatri og psykisk helse. Hvordan går det og er dette en arbeidsmetode som andre kan bruke?
  • 2005. Endring i symptomdiagnoser og personlighetsforstyrrelser under og etter psykoterapi. Noen resultater fra en norsk multisenterstudie.
  • 2004. Training of psychologists in Norway.
  • 2004. The Quality Reform of Higher Education in Norway � implications for quality development and quality control.
  • 2004. Multisenterprosjektet � hva var planene og hva vet vi så langt.
  • 2004. Behandlingsforskning.
  • 2003. The Norwegian multicenter project for the study of process and outcome of psychotherapy.
  • 2003. The Norwegian multicenter project for the study of process and outcome of psychotherapy.
  • 2003. Predictors of therapeutic alliance, patterns of change and outcome in short-term and medium-term psychotherapies.
  • 2003. Predictors of therapeutic alliance, patterns of change and outcome in short-term and medium-term psychotherapies.
  • 2003. Kognitiv terapi og somatisk sykdom. Hva viser effektforskningen?
  • 2003. Klinisk forskning.
  • 2003. Klinisk forskning.
  • 2003. Fiendlighet og somatisk helse.
  • 2003. Dobbeltkompetanseprosjektet.
  • 2003. Collaborative research: Benefits, problems, solutions and new directions. Plenary discussion.
  • 2003. Characteristics, Alliance And Treatment Outcome Of Patients With Borderline Personality Disorder.
  • 2003. Aspects of self-image and change in psychotherapy.
  • 2003. Aspects of self-image and change in psychotherapy.
  • 2002. The Norwegian Multicenter Project for the Study of Process and Outcome of Psychotherapy.
  • 2002. Psykososiale aspekter ved somatisk sykdom – utvikling og utfordringer.
  • 2002. Predictors for therapeutic alliance, patterns of change and outcome in short-term and mid-term psychotherapies.
  • 2002. Naturalistic studies, possibilities and problems. Experiences from a multicenter psychotherapy study in general psychiatry.
  • 2002. Korttidsbehandling.
  • 2002. Klinisk forskning.
  • 2002. Helsepsykologi - et nytt spesialistområde?
  • 2002. Bruk av normerte tester i sakkyndigarbeid.
  • 2002. Behandlingsplanlegging/gjennomføring og måling av behandlingseffekt i poliklinisk behandling.
  • 2002. A naturalistic study of psychotherapy of borderline personality disorder at outpatient clinics in Norway.
  • 2001. UiBs strategi i forhold til innføring av e-læring.
  • 2001. Sekvensmodell for endring i psykoterapi - er det generelle eller spesifikke faktorer som endrer seg?
  • 2001. Rehabilitering av hjertepasienter. En kognitiv tilnærming til livsstilsendring og behandling av angst/depresjon. NPFs festspillkurs, Bergen,.
  • 2001. Psykologisk behandlingsforskning i Norge: en oversikt.
  • 2001. Pattern of change in short-term and mid-term psychotherapies.
  • 2001. Opplevd sykdom. Et nøkkelbegrep for å forstå psykologiske aspekter ved somatisk sykdom. Norsk forening for psykosomatiske medisin. Rikshospitalet.
  • 2001. Korttids dynamisk psykoterapi.
  • 2001. Klinisk bruk av MMPI-2. Videreutdanningskurs for psykologer. Tønsberg Psykiatriske Senter, Tønsberg,.
  • 2001. Hovedtrekk ved fakultetets forskningsstrategi i de kommende år.
  • 2001. Chronic pain and psychodynamic therapy. A controlled outcome study using a variant of the affect consciousness treatment model.
  • 2001. Behandlings- og helsetjenesteforskning.
  • 2000. Samarbeid mellom klinikker og forskning belyst ut fra et mulitisenter prosjekt.
  • 2000. Omfanget av dr. psychol. graden. Prinsipper og praksis.
  • 2000. Når gjennomsnitt skjuler ulike forløp. Oppfølging av 458 pasienter behandlet ved Modum Bad.
  • 2000. Mer enn en måte å forandre seg på - forløp og utfall etter korttidsopphold i psykiatrisk sykehus.
  • 2000. Klinisk bruk av MMPI/MMPI-2.
  • 2000. Hva kjennetegner god klinisk forskning - synspunkter fra en klinisk forsker.
  • 2000. Evidensbasert behandling - hva kan det gi innen psykisk helsevern?
  • 2000. Epidemiologi og helsetjenesteforskning.
  • 2000. Development of working alliance related early change in dynamic psychotherapy.
  • 2000. Development of working alliance predicted from patient and therapist variables.
  • 2000. Behandlingsmanualer - bedre eller verre enn sitt rykte?
  • 1999. Valget som en terapeutisk faktor.
  • 1999. Utvikling av et multisenterprosjekt for psykoterapiforskning.
  • 1999. Helsetjenesteforskning.
  • 1999. Et riss av psykoterapiforskning i Norge.
  • 1999. En sunn sjel i en sunn kropp - kroppslige spor etter korttids dynamisk psykoterapi.
  • 1998. Psychosocial factors and longterm survival after a myocardial infarction.
  • 1995. The wife of the MI-patient: Does social support moderate depression?
  • 1995. Does a good marital relationship protect against depression during a severe life event?
Abstract
  • 2012. Self-help for anxiety disorders. A meta-analysis and meta-regression of effects and potential moderators. International Journal of Psychology (IJP). 55-55.
  • 2008. Depressive symptoms and all-cause mortality after heart transplantation. International Journal of Psychology (IJP). 257-257.
  • 2008. CBT versus pharmacological treatment of insomnia in older adults. International Journal of Psychology (IJP). 16-16.
  • 2007. Anxiety and depression among people attending genetic counselling for hereditary cancer. Psycho-Oncology. S100-S100.
  • 2006. Cognitive-behavioural therapy is more effective than hypnotic treatment. a randomized controlled trial of elderly chronic primary insomniacs. Journal of Sleep Research. 158-158.
  • 2006. Cognitive-behavioral and hypnotic treatment of chronic primary insomnia among the elderly. A randomized controlled trial. Sleep. A253-A254.
Academic literature review
  • 2012. Self-help treatment of anxiety disorders: A meta-analysis and meta-regression of effects and potential moderators. 425-445.

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