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Malaty HM, Evans DG, Evans DJ Jr, Graham DY.Malaty HM, et al. Among authors: graham dy.Gastroenterology. 1992 Sep;103(3):813-6. doi: 10.1016/0016-5085(92)90011-m.Gastroenterology. 1992.PMID: 1499931
Hazell SL, Eichberg JW, Lee DR, Alpert L, Evans DG, Evans DJ Jr, Graham DY.Hazell SL, et al. Among authors: graham dy.Gastroenterology. 1992 Sep;103(3):848-54. doi: 10.1016/0016-5085(92)90016-r.Gastroenterology. 1992.PMID: 1499934
Evans DG, Evans DJ Jr, Graham DY.Evans DG, et al. Among authors: graham dy.Gastroenterology. 1992 May;102(5):1557-67. doi: 10.1016/0016-5085(92)91714-f.Gastroenterology. 1992.PMID: 1568565
Graham DY, Klein PD, Evans DG, Evans DJ Jr, Alpert LC, Opekun A, Jerdack GR, Morgan DR.Graham DY, et al.Am J Gastroenterol. 1991 Sep;86(9):1158-62.Am J Gastroenterol. 1991.PMID: 1882794