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McDermott KA, Helfrich CD, Sales AE, Rumsfeld JS, Ho PM, Fihn SD.McDermott KA, et al.J Gen Intern Med. 2008 Aug;23(8):1246-56. doi: 10.1007/s11606-008-0563-7. Epub 2008 May 6.J Gen Intern Med. 2008.PMID: 18459014Free PMC article.Review.