Use of systematic review and meta-analysis in surgery: Quality assessment, identification of deficient areas, and points for improvement M. Carmen Fernández-Moreno; Leticia Pérez-Santiago; Luis Sabater;

Interpretation and critical appraisal of a systematic review and/or meta-analysis Andrés Carrillo-Alcaraz; Víctor Soria-Aledo;

Consensus document from the Spanish Society for Liver Transplantation: enhanced recovery after liver transplantation Laura Lladó; Manuel Abradelo de Usera; Annabel Blasi; Rosa Gutiérrez; Eva Montalvá; Sonia Pascual; Gonzalo Rodríguez-Laiz;