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Appel J, Friedman E, Fazio S, Kimmel J, Whelan A; Clerkship Directors in Internal Medicine; Society for General Internal Medicine.Appel J, et al. Among authors: friedman e.Am J Med. 2002 Aug 1;113(2):172-9. doi: 10.1016/s0002-9343(02)01211-1.Am J Med. 2002.PMID: 12133764No abstract available.