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.
Bui TV, Blizzard CL, Luong KN, Truong Nle V, Tran BQ, Otahal P, Gall S, Nelson MR, Au TB, Ha ST, Phung HN, Tran MH, Callisaya M, Srikanth V.Bui TV, et al. Among authors: srikanth v.BMC Public Health. 2016 Jun 10;16:498. doi: 10.1186/s12889-016-3160-4.BMC Public Health. 2016.PMID: 27286818Free PMC article.