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.
Vree M, Huong NT, Duong BD, Sy DN, Van le N, Co NV, Cobelens FG, Borgdorff MW.Vree M, et al. Among authors: cobelens fg.BMC Public Health. 2007 Jul 2;7:134. doi: 10.1186/1471-2458-7-134.BMC Public Health. 2007.PMID: 17605770Free PMC article.
Vree M, Huong NT, Duong BD, Co NV, Sy DN, Cobelens FG, Borgdorff MW.Vree M, et al. Among authors: cobelens fg.BMC Public Health. 2007 Aug 16;7:210. doi: 10.1186/1471-2458-7-210.BMC Public Health. 2007.PMID: 17705838Free PMC article.
Vree M, Hoa NB, Sy DN, Co NV, Cobelens FG, Borgdorff MW.Vree M, et al. Among authors: cobelens fg.BMC Infect Dis. 2007 Sep 19;7:109. doi: 10.1186/1471-2334-7-109.BMC Infect Dis. 2007.PMID: 17880701Free PMC article.