Chheda Shobhina G, Karani Reena, Dunn Kathel, Babbott Stewart, Bates Carol K
Department of Medicine, Section of General Internal Medicine, University of Wisconsin Hospital and Clinics, School of Medicine and Public Health, Madison, WI 53792-2454, USA.
J Gen Intern Med. 2008 Feb;23(2):195-201. doi: 10.1007/s11606-007-0457-0. Epub 2007 Dec 21.