Resident training in colorectal laparoscopic surgery: A retrospective morbidity, mortality and survival analysis of 408 cases in our environment Carlos Bustamante Recuenco; Laura Alonso-Lambertí Rizo; Andrea Salazar Carrasco; Ainhoa Valle Rubio; Manuel Cendrero Martín; Virginia Jiménez Carneros; José Luis Ramos Rodríguez; Francisco Javier Jiménez Miramón;

Sleeve gastrectomy as a surgical technique in bariatric surgery: Results of safety and effectiveness Joseba Castro Vázquez; Fátima Saravia Barahona; Carlos Loureiro González; Saioa Leturio Fernández; Marta García Fernández; Ana Moro Delgado; Julen Barrenetxea Asua; Javier Ortiz Lacorzana; Ismael Díez del Val;

Comparison of weight loss and metabolic syndrome parameters between sleeve gastrectomy and Roux-en-Y gastric bypass: A propensity score analysis María Asunción Acosta-Mérida; Raquel Bañolas-Suárez; Julia Díaz-Dávila; Pedro Saavedra-Santana; Joaquín Marchena-Gómez;