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Thomas KG, West CP, Popkave C, Bellini LM, Weinberger SE, Kolars JC, Kogan JR.Thomas KG, et al.J Gen Intern Med. 2009 Aug;24(8):904-10. doi: 10.1007/s11606-009-1015-8. Epub 2009 May 28.J Gen Intern Med. 2009.PMID: 19475458Free PMC article.
West CP, Drefahl MM, Popkave C, Kolars JC.West CP, et al.J Gen Intern Med. 2009 Aug;24(8):946-9. doi: 10.1007/s11606-009-1039-0. Epub 2009 Jun 24.J Gen Intern Med. 2009.PMID: 19551448Free PMC article.