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 NCBI Filters

Text availability

Article attribute

Article type

Publication date

Search Results

423 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Results By Year timeline is not available.
Page 1
Analysis of self-selection bias in a population-based cohort study of autism spectrum disorders.
Nilsen RM, Surén P, Gunnes N, Alsaker ER, Bresnahan M, Hirtz D, Hornig M, Lie KK, Lipkin WI, Reichborn-Kjennerud T, Roth C, Schjølberg S, Smith GD, Susser E, Vollset SE, Øyen AS, Magnus P, Stoltenberg C. Nilsen RM, et al. Among authors: vollset se. Paediatr Perinat Epidemiol. 2013 Nov;27(6):553-63. doi: 10.1111/ppe.12077. Paediatr Perinat Epidemiol. 2013. PMID: 23919580 Free PMC article.
Self-selection and bias in a large prospective pregnancy cohort in Norway.
Nilsen RM, Vollset SE, Gjessing HK, Skjaerven R, Melve KK, Schreuder P, Alsaker ER, Haug K, Daltveit AK, Magnus P. Nilsen RM, et al. Among authors: vollset se. Paediatr Perinat Epidemiol. 2009 Nov;23(6):597-608. doi: 10.1111/j.1365-3016.2009.01062.x. Paediatr Perinat Epidemiol. 2009. PMID: 19840297
Folic acid supplementation and interpregnancy interval.
Nilsen RM, Mastroiacovo P, Gunnes N, Alsaker ER, Bjørke-Monsen AL, Eussen SJ, Haugen M, Johannessen A, Meltzer HM, Stoltenberg C, Ueland PM, Vollset SE. Nilsen RM, et al. Among authors: vollset se. Paediatr Perinat Epidemiol. 2014 May;28(3):270-4. doi: 10.1111/ppe.12111. Epub 2014 Feb 10. Paediatr Perinat Epidemiol. 2014. PMID: 24506308
423 results