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G.E.N|April 1, 1992
[Colonic polyps: an analysis of the endoscopic and histopathological aspects]J Salazar, C Alvarez, E Essenfeld-Yahr, et al.
G.E.N|January 1, 1975
[Duodenal amebiasis]E Molina, A Fuenmayor, A Inciarte
G.E.N|October 1, 1989
[Surgical treatment of toxic megacolon in ulcerative rectocolitis. Analysis of 16 patients]E N Flumeri, A Caporale, A Giuliani, et al.
G.E.N|October 1, 1989
[Chlamydial proctitis in homosexual men]M Mora, A Rivas, J Dib
G.E.N|July 1, 1989
[Infundibulotomy of the Vater's ampulla at impacted stone in the papilla]M Aparcero, J A González, G Seijas, et al.
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