American College of Physicians, Annals of Internal Medicine, 9(152), p. 616
DOI: 10.7326/0003-4819-152-9-201005040-00019
American College of Physicians, Annals of Internal Medicine, 9(152), p. 617
DOI: 10.7326/0003-4819-152-9-201005040-00020
Full text: Download