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.
Lage DE, Jernigan MC, Chang Y, Grabowski DC, Hsu J, Metlay JP, Shah SJ.Lage DE, et al. Among authors: chang y.J Am Geriatr Soc. 2018 Jan;66(1):100-105. doi: 10.1111/jgs.15150. Epub 2017 Oct 26.J Am Geriatr Soc. 2018.PMID: 29072783
Chang Y, Singer DE, Wu YA, Keller RB, Atlas SJ.Chang Y, et al.J Am Geriatr Soc. 2005 May;53(5):785-92. doi: 10.1111/j.1532-5415.2005.53254.x.J Am Geriatr Soc. 2005.PMID: 15877553
Fang MC, Go AS, Hylek EM, Chang Y, Henault LE, Jensvold NG, Singer DE.Fang MC, et al. Among authors: chang y.J Am Geriatr Soc. 2006 Aug;54(8):1231-6. doi: 10.1111/j.1532-5415.2006.00828.x.J Am Geriatr Soc. 2006.PMID: 16913990Free PMC article.