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Sohn TA, Yeo CJ, Cameron JL, Pitt HA, Lillemoe KD.Sohn TA, et al. Among authors: pitt ha.J Gastrointest Surg. 2000 May-Jun;4(3):258-67; discussion 267-8. doi: 10.1016/s1091-255x(00)80074-8.J Gastrointest Surg. 2000.PMID: 10769088Free article.