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Weil E, Wachterman M, McCarthy EP, Davis RB, O'Day B, Iezzoni LI, Wee CC.Weil E, et al. Among authors: mccarthy ep.JAMA. 2002 Sep 11;288(10):1265-8. doi: 10.1001/jama.288.10.1265.JAMA. 2002.PMID: 12215134
McCarthy EP, Burns RB, Ngo-Metzger Q, Davis RB, Phillips RS.McCarthy EP, et al.JAMA. 2003 May 7;289(17):2238-45. doi: 10.1001/jama.289.17.2238.JAMA. 2003.PMID: 12734135
Wachterman MW, Marcantonio ER, Davis RB, McCarthy EP.Wachterman MW, et al. Among authors: mccarthy ep.JAMA. 2011 Feb 2;305(5):472-9. doi: 10.1001/jama.2011.70.JAMA. 2011.PMID: 21285424Free PMC article.