American College of Physicians, Annals of Internal Medicine, 1_Part_1(156), p. 69
DOI: 10.7326/0003-4819-156-1-201201030-00024
American College of Physicians, Annals of Internal Medicine, 1_Part_1(156), p. 70
DOI: 10.7326/0003-4819-156-1-201201030-00025
American College of Physicians, Annals of Internal Medicine, 1_Part_1(156), p. 69
DOI: 10.7326/0003-4819-156-1-201201030-00023
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