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.
Martin KE, Wood L, Christian H, Trapp GS.Martin KE, et al.Am J Health Promot. 2015 Jul-Aug;29(6):353-6. doi: 10.4278/ajhp.130522-ARB-262. Epub 2014 Aug 27.Am J Health Promot. 2015.PMID: 25162325
Westgarth C, Christian HE, Christley RM.Westgarth C, et al. Among authors: christian he.BMC Vet Res. 2015 May 19;11:116. doi: 10.1186/s12917-015-0434-5.BMC Vet Res. 2015.PMID: 25986125Free PMC article.
Westgarth C, Knuiman M, Christian HE.Westgarth C, et al. Among authors: christian he.BMC Public Health. 2016 Sep 29;16(1):1019. doi: 10.1186/s12889-016-3660-2.BMC Public Health. 2016.PMID: 27682237Free PMC article.