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Nomura F, Penny DJ, Menahem S, Pawade A, Karl TR.Nomura F, et al. Among authors: karl tr.Ann Thorac Surg. 1995 Jul;60(1):90-5.Ann Thorac Surg. 1995.PMID: 7598627
Watterson KG, Malm TK, Karl TR, Mee RB.Watterson KG, et al. Among authors: karl tr.Ann Thorac Surg. 1992 Dec;54(6):1116-9. doi: 10.1016/0003-4975(92)90078-i.Ann Thorac Surg. 1992.PMID: 1449295
Sano S, Karl TR, Mee RB.Sano S, et al. Among authors: karl tr.Ann Thorac Surg. 1991 Aug;52(2):285-90. doi: 10.1016/0003-4975(91)91354-x.Ann Thorac Surg. 1991.PMID: 1863151
Watterson KG, Wilkinson JL, Karl TR, Mee RB.Watterson KG, et al. Among authors: karl tr.Ann Thorac Surg. 1991 Nov;52(5):1132-7. doi: 10.1016/0003-4975(91)91294-6.Ann Thorac Surg. 1991.PMID: 1953135