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G.E.N|April 1, 1991
[Ligation and sclerosis technique combined with electrocoagulation resection of internal hemorrhoids]A Márquez, J Siverio, J Acosta, et al.G.E.N|April 1, 1991
[Solitary rectal polyp and endoscopic polypectomy in a pediatric population: 3 years' experience]B Villalta de Díaz, M Delgado, D Russa de Corredor, et al.G.E.N|April 1, 1991
[Comparative analysis between the circumoval precipitin test and ELISA with raw antigens for the diagnosis of schistosomiasis in Venezuela]L Spencer, B Alarcón de Noya, O Noya, et al.G.E.N|April 1, 1991
[Effect of nasogastric tube on esophageal mucosa]R Barinagarrementeria, J M Blancas Valencia, O Teramoto Matsubara, et al.G.E.N|October 1, 1991
[Perinatal prevalence of HBsHg: preliminary results of a pilot study]L Agüero, C A Salvatierra, G Perozo-Ruggeri, et al.G.E.N|October 1, 1991
[Bacterial translocation in a model of intestinal obstruction. II. Bacteriological study and role of cellular immunity]R L Zapata-Sirvent, V Marzullo Mónaco, S Piñate, et al.G.E.N|October 1, 1991
[Cholecystectomy by video laparoscopy in acute cholecystitis: report of 25 cases]L J Henríquez, R M Belloso, L A Ayala, et al.Pageof 41