McClymont Keelan M, Lee Sei J, Schonberg Mara A, Widera Eric, Miao Yinghui, Smith Alexander K
Division of Geriatrics, University of California at San Francisco, San Francisco, California.
J Am Geriatr Soc. 2014 Dec;62(12):2444-5. doi: 10.1111/jgs.13171.