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.
Hauer KA, Kempen GI, Schwenk M, Yardley L, Beyer N, Todd C, Oster P, Zijlstra GA.Hauer KA, et al.Gerontology. 2011;57(5):462-72. doi: 10.1159/000320054. Epub 2010 Oct 22.Gerontology. 2011.PMID: 20975251
Werner C, Ullrich P, Geravand M, Peer A, Hauer K.Werner C, et al. Among authors: hauer k.Gerontology. 2016;62(6):644-653. doi: 10.1159/000444878. Epub 2016 Mar 24.Gerontology. 2016.PMID: 27008089Free article.Review.