Surgical site infection in hepatobiliary surgery patients and its relationship with serum vitamin D concentration Estefania Laviano; María Sanchez; María Teresa González-Nicolás; María Pilar Palacian; Javier López; Yolanda Gilaberte; Pilar Calmarza; Antonio Rezusta; Alejandro Serrablo;

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;

Surgical Infection Reduction Program of the Observatory of Surgical Infection (PRIQ-O): Delphi prioritization and consensus document on recommendations for the prevention of surgical site infection Josep M. Badia; M. Dolores del Toro; Juan F. Navarro Gracia; José M. Balibrea; Rafael Herruzo; Carmen González Sánchez; Javier Lozano García; Inés Rubio Pérez; Xavier Guirao; Víctor Soria-Aledo; Rafael Ortí-Lucas;