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.
Razum O, Zeeb H, Akgün HS, Yilmaz S.Razum O, et al.Trop Med Int Health. 1998 Apr;3(4):297-303. doi: 10.1046/j.1365-3156.1998.00233.x.Trop Med Int Health. 1998.PMID: 9623931Free article.
Razum O, Jahn A, Blettner M, Reitmaier P.Razum O, et al.Int J Epidemiol. 1999 Oct;28(5):919-24. doi: 10.1093/ije/28.5.919.Int J Epidemiol. 1999.PMID: 10597992
Razum O, Twardella D.Razum O, et al.Trop Med Int Health. 2002 Jan;7(1):4-10. doi: 10.1046/j.1365-3156.2002.00833.x.Trop Med Int Health. 2002.PMID: 11851949Free article.
Razum O, Becher H, Kapaun A, Junghanss T.Razum O, et al.Lancet. 2003 May 17;361(9370):1739-40. doi: 10.1016/S0140-6736(03)13335-1.Lancet. 2003.PMID: 12767754Free PMC article.No abstract available.