Causes of revisional surgery, reoperations, and readmissions after bariatric surgery L.A. Hernández; L. Guilbert; E.M. Sepúlveda; F. Rodríguez; F. Peñuñuri; V.H. García; C. Zerrweck;

Experience of endoscopy versus surgery as initial management of chronic pancreatitis U. Lara-Orozco; V. Ortiz-Higareda; J.L. Martínez-Ordaz; E.V. Rodríguez-Negrete; Y. Choncoa-Valderrama;

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;