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.
Mitra M, Akobirshoev I, Parish SL, Valentine A, Clements KM, Moore Simas TA.Mitra M, et al.J Epidemiol Community Health. 2019 Jun;73(6):557-563. doi: 10.1136/jech-2018-211589. Epub 2019 Feb 22.J Epidemiol Community Health. 2019.PMID: 30796182Free PMC article.
Singh NA, Clements KM, Fiatarone MA.Singh NA, et al. Among authors: clements km.J Gerontol A Biol Sci Med Sci. 1997 Jan;52(1):M27-35. doi: 10.1093/gerona/52a.1.m27.J Gerontol A Biol Sci Med Sci. 1997.PMID: 9008666Clinical Trial.
Singh NA, Clements KM, Singh MA.Singh NA, et al. Among authors: clements km.J Gerontol A Biol Sci Med Sci. 2001 Aug;56(8):M497-504. doi: 10.1093/gerona/56.8.m497.J Gerontol A Biol Sci Med Sci. 2001.PMID: 11487602Clinical Trial.