Blar i Norwegian Institute of Public Health Open Repository på forfatter "Bjelland, Ingvar"
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Causal modelling of variation in clinical practice and long-term outcomes of ADHD using Norwegian registry data: The ADHD controversy project
Mykletun, Arnstein; Widding-Havneraas, Tarjei; Chaulagain, Ashmita; Lyhmann, Ingvild; Bjelland, Ingvar; Halmøy, Anne; Elwert, Felix; Butterworth, Peter; Markussen, Simen; Zachrisson, Henrik Daae; Rypdal, Knut (Peer reviewed; Journal article, 2021) -
Geographical variation in ADHD: do diagnoses refect symptom levels?
Widding-Havneraas, Tarjei; Markussen, Simen; Elwert, Felix; Lyhmann, Ingvild; Bjelland, Ingvar; Halmøy, Anne; Chaulagain, Ashmita; Ystrøm, Eivind; Mykletun, Arnstein; Zachrisson, Henrik Daae (Peer reviewed; Journal article, 2022) -
Plasma free choline, betaine and cognitive performance: the Hordaland Health Study
Nurk, Eha; Refsum, Helga; Bjelland, Ingvar; Drevon, Christian A; Tell, Grethe S; Ueland, Per Magne; Vollset, Stein Emil; Engedal, Knut Arne; Nygaard, Harald A.; Smith, David A (Peer reviewed; Journal article, 2013) -
Variation in attitudes toward diagnosis and medication of ADHD: a survey among clinicians in the Norwegian child and adolescent mental health services
Lyhmann, Ingvild; Widding-Havnerås, Tarjei; Zachrisson, Henrik Daae; Bjelland, Ingvar; Chaulagain, Ashmita; Mykletun, Arnstein; Halmøy, Anne (Peer reviewed; Journal article, 2022)