Of the 57 eligible RCTs ( n = 4295), 51 RCTs were included in quantitative analyses Previous meta-analyses of psychotherapies for children and adolescents with post-traumatic stress disorder (PTSD) did not investigate whether treatment efficacy is diminished when patients report multiple (versus single) traumas. We systematically searched PsycInfo, MEDLINE, Web of Science and PTSDpubs on […]