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Gill TM, McDermott MM, Ibrahim SA, Petersen LA, Doebbeling BN.Gill TM, et al. Among authors: petersen la.J Gen Intern Med. 2004 May;19(5 Pt 1):472-8. doi: 10.1111/j.1525-1497.2004.30293.x.J Gen Intern Med. 2004.PMID: 15109347Free PMC article.