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Haas JS, Jackson RA, Fuentes-Afflick E, Stewart AL, Dean ML, Brawarsky P, Escobar GJ.Haas JS, et al.J Gen Intern Med. 2005 Jan;20(1):45-51. doi: 10.1111/j.1525-1497.2004.40097.x.J Gen Intern Med. 2005.PMID: 15693927Free PMC article.