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Feldman M, Richardson CT, Fordtran JS.Feldman M, et al. Among authors: fordtran js.Gastroenterology. 1980 Nov;79(5 Pt 1):792-5.Gastroenterology. 1980.PMID: 7419001
Feldman M, Richardson CT, Fordtran JS.Feldman M, et al. Among authors: fordtran js.Gastroenterology. 1980 Nov;79(5 Pt 1):796-800.Gastroenterology. 1980.PMID: 7419002
Schiller LR, Bilhartz LE, Santa Ana CA, Fordtran JS.Schiller LR, et al. Among authors: fordtran js.Gastroenterology. 1990 Apr;98(4):1036-43. doi: 10.1016/0016-5085(90)90031-u.Gastroenterology. 1990.PMID: 2311860
Lee E, Schiller LR, Fordtran JS.Lee E, et al. Among authors: fordtran js.Gastroenterology. 1988 Feb;94(2):409-18. doi: 10.1016/0016-5085(88)90430-1.Gastroenterology. 1988.PMID: 3335315