Papilla of Vater morphology as an influencing factor in successful cannulation during resident training in advanced endoscopy. A prospective clinical study D.E. Benavides-Salgado; R.A. Jiménez-Castillo; J.E. Cuéllar-Monterrubio; J.O. Jáquez-Quintana; A. Garza-Galindo; C. Cortes-Hernández; H.J. Maldonado-Garza; D. García-Compeán; J.A. González-González;

Impact of intraoperative colonoscopy on anastomotic leakage detection and prevention in colorectal anastomosis for rectal cancer R. Castaño; S.P. Molina-Meneses; J.D. Puerta; L.J. Palacios; R. Jaramillo; A. Piñeres; F. Aristizábal;

Ultrasound-guided percutaneous liver biopsy in children. Five-year experience at a tertiary care center E. Hernández-Chávez; M. Alfaro-Hurtado; C.E. Sánchez-López; G.A. Badallo-Rivas; G. Gómez-Navarro; Y.A. Castillo-de León;