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Smith JL, Opekun AR, Larkai E, Graham DY.Smith JL, et al. Among authors: graham dy.Gastroenterology. 1989 Mar;96(3):683-9.Gastroenterology. 1989.PMID: 2914634Clinical Trial.
Ramírez FC, Graham DY.Ramírez FC, et al. Among authors: graham dy.Am J Gastroenterol. 1992 Dec;87(12):1789-91.Am J Gastroenterol. 1992.PMID: 1449142Clinical Trial.
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
Graham DY, Colon-Pagan J, Morse RS, Johnson TL, Walsh JH, McCullough AJ, Marks JW, Sklar M, Stone RC, Cagliola AJ, et al.Graham DY, et al.Gastroenterology. 1992 Apr;102(4 Pt 1):1289-94.Gastroenterology. 1992.PMID: 1551535Clinical Trial.
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Klein PD, Graham DY, Gaillour A, Opekun AR, Smith EO.Klein PD, et al. Among authors: graham dy.Lancet. 1991 Jun 22;337(8756):1503-6. doi: 10.1016/0140-6736(91)93196-g.Lancet. 1991.PMID: 1675369
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