Quantitative and qualitative research in surgery Xavier Serra-Aracil; Manuel López Cano; Eduardo Targarona;

Accreditation of specialized surgical units in general and digestive surgery: A step forward by the AEC for quality improvement and subspecialized Fellowship training Mónica Millan; Eduardo Targarona; Eduardo García-Granero; Xavier Serra-Aracil;

Need for a targeted perioperative antibiotic treatment protocol for patients with preoperative biliary drainage undergoing pancreaticoduodenectomy Judith Camps-Lasa; María Isabel García-Domingo; Eric Herrero Fonollosa; María Luisa Galaviz Sosa; María Galofré Recasens; Aurora Rodríguez Campos; Xavier Serra-Aracil; Esteban Cugat Andorrá;