American College of Physicians, Annals of Internal Medicine, 12(165), p. 889
DOI: 10.7326/l16-0441
American College of Physicians, Annals of Internal Medicine
DOI: 10.7326/m15-3123
American College of Physicians, Annals of Internal Medicine, 12(165), p. 889
DOI: 10.7326/l16-0442
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