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.
Barrón-Limón S, Semple SJ, Strathdee SA, Lozada R, Vargas-Ojeda A, Patterson TL.Barrón-Limón S, et al.BMC Public Health. 2012 Jun 13;12:433. doi: 10.1186/1471-2458-12-433.BMC Public Health. 2012.PMID: 22694837Free PMC article.
Kremer P, Ulibarri M, Ferraiolo N, Pinedo M, Vargas-Ojeda AC, Burgos JL, Ojeda VD.Kremer P, et al. Among authors: vargas ojeda ac.Perm J. 2018;23:18-031. doi: 10.7812/TPP/18-031.Perm J. 2018.PMID: 30589403Free PMC article.