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.
Samuelsen SO, Bakketeig LS, Tretli S, Johannesen TB, Magnus P.Samuelsen SO, et al. Among authors: bakketeig ls.Epidemiology. 2009 Jul;20(4):484-7. doi: 10.1097/EDE.0b013e3181a7786d.Epidemiology. 2009.PMID: 19525684
Samuelsen SO, Bakketeig LS, Tretli S, Johannesen TB, Magnus P.Samuelsen SO, et al. Among authors: bakketeig ls.Lancet Oncol. 2006 Jan;7(1):39-42. doi: 10.1016/S1470-2045(05)70470-8.Lancet Oncol. 2006.PMID: 16389182
Samuelsen SO, Magnus P, Bakketeig LS.Samuelsen SO, et al. Among authors: bakketeig ls.Am J Epidemiol. 1998 Nov 15;148(10):983-91. doi: 10.1093/oxfordjournals.aje.a009575.Am J Epidemiol. 1998.PMID: 9829870
Arntzen A, Samuelsen SO, Bakketeig LS, Stoltenberg C.Arntzen A, et al. Among authors: bakketeig ls.Int J Epidemiol. 2004 Apr;33(2):279-88. doi: 10.1093/ije/dyh054.Int J Epidemiol. 2004.PMID: 15082627