Read Stephen, Wu Pauline, Biscow Mark
Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine, University of California at Los Angeles; Department of Psychiatry, Veterans Affairs Medical Center West Los Angeles, Los Angeles, California.
J Am Geriatr Soc. 2014 Mar;62(3):584-6. doi: 10.1111/jgs.12722.