Eighty-three randomized double-blind trials were found, most of which was of therapeutic exercises 37 and behavioral therapy 21.
Encontraron 83 estudios dobles encubiertos y aleatorios y de ellos, su gran mayoría era de ejercicios terapéuticos 37 y terapia comportamental 21.
Encontraram 83 estudos duplos encobertos aleatórios e desses a grande maioria era de exercícios terapêuticos 37 e terapia comportamental 21.