Grady Deborah, Redberg Rita F, Mallon William K
Department of Medicine, University of California, San Francisco2Department of Medicine, San Francisco Veterans Affairs Medical Center, San Francisco, California.
Department of Medicine, University of California, San Francisco.
JAMA Intern Med. 2014 Apr;174(4):498-9. doi: 10.1001/jamainternmed.2013.8272.