Knowledge-building in surgery: An evolving craft Natalia Quintana Montejo; Neil Valentín Vega Peña; Luis Carlos Domínguez Torres;

Criteria for quality assessment of a systematic review and/or meta-analysis Víctor Soria-Aledo; Andrés Carrillo-Alcaraz;

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