We conducted a literature review using major databases including PUBMED, EMBASE, CINAHL EBSCO, Google Scholar, LILACS, Cochrane, ProQuest Dissertations and Theses. Seven experiments were selected out of the 3,934 references obtained by applying our inclusion and exclusion criteria. All seven were randomized controlled trials.
Realizamos una revisión de la literatura utilizando las principales bases de datos como PUBMED, EMBASE, CINAHL EBSCO, Google académico, LILACS, Cochrane, ProQuest, disertaciones y tesis, obteniendo 3934 referencias, aplicando los criterios de inclusión y exclusión se seleccionaron 7 experimentos clínicos aleatorizados controlados.