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Vinik AI, McLeod MK, Fig LM, Shapiro B, Lloyd RV, Cho K.Vinik AI, et al. Among authors: cho k.Gastroenterol Clin North Am. 1989 Dec;18(4):865-96.Gastroenterol Clin North Am. 1989.PMID: 2693353Review.
Perkins PL, McLeod MK, Jin L, Fukuuchi A, Cho KJ, Thompson NW, Lloyd RV.Perkins PL, et al. Among authors: cho kj.Diagn Mol Pathol. 1992 Sep;1(3):155-64.Diagn Mol Pathol. 1992.PMID: 1285276