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Fann JI, Feins RH, Hicks GL Jr, Nesbitt JC, Hammon JW, Crawford FA Jr; Senior Tour in Cardiothoracic Surgery.Fann JI, et al. Among authors: crawford fa jr.J Thorac Cardiovasc Surg. 2012 Feb;143(2):264-72. doi: 10.1016/j.jtcvs.2011.10.013. Epub 2011 Nov 9.J Thorac Cardiovasc Surg. 2012.PMID: 22075060Free article.