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Thombs BD, Bass EB, Ford DE, Stewart KJ, Tsilidis KK, Patel U, Fauerbach JA, Bush DE, Ziegelstein RC.Thombs BD, et al.J Gen Intern Med. 2006 Jan;21(1):30-8. doi: 10.1111/j.1525-1497.2005.00269.x.J Gen Intern Med. 2006.PMID: 16423120Free PMC article.Review.