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Chey WY, Chang TM, Lee KY, Sun G, Kim CK, You CH, Hamilton DL, Shah A, Rhee JC, Mutt V, et al.Chey WY, et al. Among authors: chang tm.Ann Surg. 1989 Aug;210(2):139-49. doi: 10.1097/00000658-198908000-00002.Ann Surg. 1989.PMID: 2757418Free PMC article.