Cholecystoduodenal fistula, an infrequent complication of cholelithiasis: Our experience in its surgical management F. Aguilar-Espinosa, R. Maza-Sánchez, F. Vargas-Solís, G.A. Guerrero-Martínez, J.L. Medina-Reyes, P.I. Flores-Quiroz

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Risk factors associated with prolonged postoperative ileus after elective colon resection M.A. Juárez-Parra, J. Carmona-Cantú, J.R. González-Cano, S. Arana-Garza, R.J. Treviño-Frutos