Magnetic liver retraction in bariatric surgery: Is it possible? Guillermo Borjas; Ali Urdaneta; Eduardo Ramos; Andrés Maldonado;

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;

Stent or no stent for obstructive colon cancer? The controversy is over Oscar Cano-Valderrama; Sebastiano Biondo;