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.
Gurven M, Kaplan H, Winking J, Finch C, Crimmins EM.Gurven M, et al. Among authors: winking j.J Gerontol A Biol Sci Med Sci. 2008 Feb;63(2):196-9. doi: 10.1093/gerona/63.2.196.J Gerontol A Biol Sci Med Sci. 2008.PMID: 18314457Free PMC article.
Kaplan H, Gurven M, Winking J, Hooper PL, Stieglitz J.Kaplan H, et al. Among authors: winking j.Ann N Y Acad Sci. 2010 Aug;1204:30-42. doi: 10.1111/j.1749-6632.2010.05528.x.Ann N Y Acad Sci. 2010.PMID: 20738273