Archives of internal medicine, vol. 169, no. 5, pp. 463-473 Archives of Internal Medicine Archives of Internal Medicine, 2009, 169 (5), pp.463-73. 〈10.1001/archinternmed.2008.603〉 Archives of Internal Medicine, 2009, 169 (5), pp.463-73. ⟨10.1001/archinternmed.2008.603⟩ Archives of internal medicine, 169(5), 463-473. American Medical Association