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.
Luque Fernandez MA, Schomaker M, Mason PR, Fesselet JF, Baudot Y, Boulle A, Maes P.Luque Fernandez MA, et al.BMC Public Health. 2012 Jun 18;12:442. doi: 10.1186/1471-2458-12-442.BMC Public Health. 2012.PMID: 22708576Free PMC article.
Luque-Fernandez MA, Van Cutsem G, Goemaere E, Hilderbrand K, Schomaker M, Mantangana N, Mathee S, Dubula V, Ford N, Hernán MA, Boulle A.Luque-Fernandez MA, et al.PLoS One. 2013;8(2):e56088. doi: 10.1371/journal.pone.0056088. Epub 2013 Feb 13.PLoS One. 2013.PMID: 23418518Free PMC article.