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LiVolsi VA, Perzin KH.LiVolsi VA, et al. Among authors: perzin kh.Cancer. 1977 May;39(5):2209-30. doi: 10.1002/1097-0142(197705)39:5<2209::aid-cncr2820390540>3.0.co;2-8.Cancer. 1977.PMID: 192443Review.
LiVolsi VA, Perzin KH, Porter M.LiVolsi VA, et al. Among authors: perzin kh.Gastroenterology. 1973 Jul;65(1):115-23.Gastroenterology. 1973.PMID: 4146456No abstract available.