Abdominal wall surgery units accreditation. The Spanish model Manuel López-Cano; Pilar Hernández-Granados; Salvador Morales-Conde; Antonio Ríos; José Antonio Pereira-Rodríguez;

Assessing the risk of bias in studies included in systematic reviews and meta-analyses Marina Iniesta-Sepúlveda; Antonio Ríos;

Steps in conducting a systematic review with meta-analysis Josep M. Garcia-Alamino; Manuel López-Cano;