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.
McLaughlin SJ, Connell CM, Heeringa SG, Li LW, Roberts JS.McLaughlin SJ, et al. Among authors: li lw.J Gerontol B Psychol Sci Soc Sci. 2010 Mar;65B(2):216-26. doi: 10.1093/geronb/gbp101. Epub 2009 Dec 14.J Gerontol B Psychol Sci Soc Sci. 2010.PMID: 20008481Free PMC article.
Li LW, Dong X.Li LW, et al.J Gerontol A Biol Sci Med Sci. 2017 Jul 1;72(suppl_1):S119-S124. doi: 10.1093/gerona/glw174.J Gerontol A Biol Sci Med Sci. 2017.PMID: 28575255Free PMC article.