Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My Custom Filters

Publication date

Text availability

Article attribute

Article type

Additional filters

Article Language

Species

Sex

Age

Other

Search Results

41 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Publication Date timeline is not available.
Page 1
Geographical variation in ADHD: do diagnoses reflect symptom levels?
Widding-Havneraas T, Markussen S, Elwert F, Lyhmann I, Bjelland I, Halmøy A, Chaulagain A, Ystrom E, Mykletun A, Zachrisson HD. Widding-Havneraas T, et al. Among authors: markussen s. Eur Child Adolesc Psychiatry. 2023 Sep;32(9):1795-1803. doi: 10.1007/s00787-022-01996-7. Epub 2022 May 18. Eur Child Adolesc Psychiatry. 2023. PMID: 35585272 Free PMC article.
Effect of Pharmacological Treatment of Attention-Deficit/Hyperactivity Disorder on Criminality.
Widding-Havneraas T, Zachrisson HD, Markussen S, Elwert F, Lyhmann I, Chaulagain A, Bjelland I, Halmøy A, Rypdal K, Mykletun A. Widding-Havneraas T, et al. Among authors: markussen s. J Am Acad Child Adolesc Psychiatry. 2024 Apr;63(4):433-442. doi: 10.1016/j.jaac.2023.05.025. Epub 2023 Jun 27. J Am Acad Child Adolesc Psychiatry. 2024. PMID: 37385582 Free article.
Effect of ADHD medication on risk of injuries: a preference-based instrumental variable analysis.
Widding-Havneraas T, Elwert F, Markussen S, Zachrisson HD, Lyhmann I, Chaulagain A, Bjelland I, Halmøy A, Rypdal K, Mykletun A. Widding-Havneraas T, et al. Among authors: markussen s. Eur Child Adolesc Psychiatry. 2024 Jun;33(6):1987-1996. doi: 10.1007/s00787-023-02294-6. Epub 2023 Sep 24. Eur Child Adolesc Psychiatry. 2024. PMID: 37742289 Free PMC article.
Long term outcomes and causal modelling of compulsory inpatient and outpatient mental health care using Norwegian registry data: Protocol for a controversies in psychiatry research project.
Hofstad T, Nyttingnes O, Markussen S, Johnsen E, Killackey E, McDaid D, Rinaldi M, Dean K, Brinchmann B, Douglas K, Gröning L, Bjørkly S, Palmstierna T, Strømme MF, Blindheim A, Rugkåsa J, Hofmann BM, Pedersen R, Widding-Havneraas T, Rypdal K, Mykletun A. Hofstad T, et al. Among authors: markussen s. Int J Methods Psychiatr Res. 2023 Jul 8;33(1):e1980. doi: 10.1002/mpr.1980. Online ahead of print. Int J Methods Psychiatr Res. 2023. PMID: 37421245 Free PMC article.
Does retirement age impact mortality?
Hernaes E, Markussen S, Piggott J, Vestad OL. Hernaes E, et al. Among authors: markussen s. J Health Econ. 2013 May;32(3):586-98. doi: 10.1016/j.jhealeco.2013.03.001. Epub 2013 Mar 13. J Health Econ. 2013. PMID: 23542020
The anatomy of absenteeism.
Markussen S, Røed K, Røgeberg OJ, Gaure S. Markussen S, et al. J Health Econ. 2011 Mar;30(2):277-92. doi: 10.1016/j.jhealeco.2010.12.003. Epub 2010 Dec 23. J Health Econ. 2011. PMID: 21247647
41 results