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Alphonso N, Anagnostopoulos PV, Nölke L, Moon-Grady A, Azakie A, Raff GW, Karl TR.Alphonso N, et al.Ann Thorac Surg. 2007 Apr;83(4):1472-6. doi: 10.1016/j.athoracsur.2006.10.071.Ann Thorac Surg. 2007.PMID: 17383360