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Rosenthal GE, Harper DL, Shah A, Covinsky KE.Rosenthal GE, et al. Among authors: covinsky ke.J Gen Intern Med. 1997 Jul;12(7):416-22. doi: 10.1046/j.1525-1497.1997.00073.x.J Gen Intern Med. 1997.PMID: 9229280Free PMC article.