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.
Fennema JS, van Ameijden EJ, Coutinho RA, van Doornum GJ, Cairo I, van den Hoek A.Fennema JS, et al. Among authors: coutinho ra.AIDS. 1998 May 28;12(8):931-8. doi: 10.1097/00002030-199808000-00016.AIDS. 1998.PMID: 9631147
van Ameijden EJ, van den Hoek JA, Coutinho RA.van Ameijden EJ, et al. Among authors: coutinho ra.Am J Epidemiol. 1996 Oct 15;144(8):772-81. doi: 10.1093/oxfordjournals.aje.a009001.Am J Epidemiol. 1996.PMID: 8857826
Prins M, Hernández Aguado IH, Brettle RP, Robertson JR, Broers B, Carré N, Goldberg DJ, Zangerle R, Coutinho RA, van den Hoek A.Prins M, et al. Among authors: coutinho ra.AIDS. 1997 Nov 15;11(14):1747-56. doi: 10.1097/00002030-199714000-00012.AIDS. 1997.PMID: 9386810
Fennema JS, Van Ameijden EJ, Van Den Hoek A, Coutinho RA.Fennema JS, et al. Among authors: coutinho ra.Addiction. 1997 Nov;92(11):1457-65.Addiction. 1997.PMID: 9519489