Shak Joshua R, Johnson Amanda K, Goldschlager Nora
Department of Medicine, University of California-San Francisco.
Department of Medicine, University of California-San Francisco2Division of Cardiology, Department of Medicine, San Francisco General Hospital, San Francisco, California.
JAMA Intern Med. 2016 Sep 1;176(9):1388-9. doi: 10.1001/jamainternmed.2016.3526.