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Heaton KM, Sussman JJ, Gershenwald JE, Lee JE, Reintgen DS, Mansfield PF, Ross MI.Heaton KM, et al.Ann Surg Oncol. 1998 Jun;5(4):322-8. doi: 10.1007/BF02303495.Ann Surg Oncol. 1998.PMID: 9641453
Heaton KM, el-Naggar A, Ensign LG, Ross MI, Balch CM.Heaton KM, et al.Ann Surg. 1994 Feb;219(2):197-204. doi: 10.1097/00000658-199402000-00012.Ann Surg. 1994.PMID: 8129491Free PMC article.