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.
Matthews SA, Yang TC.Matthews SA, et al. Among authors: yang tc.Ann Behav Med. 2010 May;39(2):170-83. doi: 10.1007/s12160-010-9175-7.Ann Behav Med. 2010.PMID: 20300905Free PMC article.
Yang TC, Matthews SA, Hillemeier MM.Yang TC, et al.Am J Public Health. 2011 Jul;101(7):1297-305. doi: 10.2105/AJPH.2010.300061. Epub 2011 May 12.Am J Public Health. 2011.PMID: 21566035Free PMC article.
Shoff C, Yang TC, Matthews SA.Shoff C, et al. Among authors: yang tc.GeoJournal. 2012 Jun 1;77(3):331-341. doi: 10.1007/s10708-010-9405-3.GeoJournal. 2012.PMID: 23408146Free PMC article.
Yang TC, Matthews SA, Anderson RT.Yang TC, et al.J Aging Health. 2013 Aug;25(5):737-57. doi: 10.1177/0898264313490199. Epub 2013 Jun 16.J Aging Health. 2013.PMID: 23775208Free PMC article.