An official website of the United States government
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.
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.
van Gelder MM, Roeleveld N, Nordeng H.van Gelder MM, et al.PLoS One. 2011;6(7):e22174. doi: 10.1371/journal.pone.0022174. Epub 2011 Jul 18.PLoS One. 2011.PMID: 21789231Free PMC article.
Bérard A, Sheehy O, Zhao JP, Nordeng H.Bérard A, et al.Pharmacoepidemiol Drug Saf. 2015 Dec;24(12):1241-8. doi: 10.1002/pds.3900. Epub 2015 Oct 29.Pharmacoepidemiol Drug Saf. 2015.PMID: 26513406
Vlenterie R, Wood ME, Brandlistuen RE, Roeleveld N, van Gelder MM, Nordeng H.Vlenterie R, et al.Int J Epidemiol. 2016 Dec 1;45(6):1998-2008. doi: 10.1093/ije/dyw192.Int J Epidemiol. 2016.PMID: 27585674Free PMC article.