Comparison of abdominal adipose tissue versus body mass index (BMI) as a predictor of complications and survival in liver transplantation Enrique Toledo; Gema Canal; Sara Sánchez; Juan Echeverri; Roberto Fernández; Mª del Mar Achalandabaso; Edward J. Anderson; Federico Castillo; Juan Carlos Rodríguez;

Manejo del reflujo gastroesofágico después de la gastrectomía vertical Ester Martínez Negro; Sagrario Martínez Cortijo;

Evaluation of the usefulness of the Clavien-Dindo classification of surgical complications Henry Golder; Daniel Casanova; Vassilios Papalois;