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Crowe SE, Perdue MH.Crowe SE, et al.Gastroenterology. 1992 Sep;103(3):1075-95. doi: 10.1016/0016-5085(92)90047-3.Gastroenterology. 1992.PMID: 1499910Review.
Pace LA, Crowe SE.Pace LA, et al. Among authors: crowe se.Gastroenterol Clin North Am. 2016 Jun;45(2):253-65. doi: 10.1016/j.gtc.2016.02.004.Gastroenterol Clin North Am. 2016.PMID: 27261897Free PMC article.Review.