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

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

Effect size in meta-analysis Marina Iniesta-Sepúlveda; José Antonio Pereira-Rodríguez;