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Broekhuis E, Brizard CP, Mee RB, Cochrane AD, Karl TR.Broekhuis E, et al. Among authors: karl tr.Ann Thorac Surg. 1999 Feb;67(2):519-21. doi: 10.1016/s0003-4975(98)01140-0.Ann Thorac Surg. 1999.PMID: 10197681