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Opekun AR, Smith JL, Graham DY.Opekun AR, et al. Among authors: graham dy.Dig Dis Sci. 1990 Aug;35(8):950-5. doi: 10.1007/BF01537242.Dig Dis Sci. 1990.PMID: 2384040
Tabibian N, Smith JL, Graham DY.Tabibian N, et al. Among authors: graham dy.Gastrointest Endosc. 1989 Jul-Aug;35(4):312-5. doi: 10.1016/s0016-5107(89)72799-1.Gastrointest Endosc. 1989.PMID: 2670659Clinical Trial.
Smith JL, Gamal MA, Chremos AN, Graham DY.Smith JL, et al. Among authors: graham dy.Dig Dis Sci. 1985 Apr;30(4):308-12. doi: 10.1007/BF01403838.Dig Dis Sci. 1985.PMID: 2858363
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.
Mauk PM, Schwartz JT, Lowe JE, Smith JL, Graham DY.Mauk PM, et al. Among authors: graham dy.Arch Intern Med. 1988 Jul;148(7):1577-9.Arch Intern Med. 1988.PMID: 2968075