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Hurley JS, Roberts M, Solberg LI, Gunter MJ, Nelson WW, Young L, Frost FJ.Hurley JS, et al.J Gen Intern Med. 2005 Apr;20(4):331-3. doi: 10.1111/j.1525-1497.2005.40182.x.J Gen Intern Med. 2005.PMID: 15857489Free PMC article.