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;

Systematic review and meta-analysis as tools for evidence-based medicine Marina Iniesta-Sepúlveda; Antonio Ríos;

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