title: Relative contribution of specific and nonspecific treatment effects: meta-analysis of placebo-controlled behavior therapy research.
authors.forename: T G
authors.initials: TG
authors.lastname: Bowers
authors.forename: G A
authors.initials: GA
authors.lastname: Clum
mesh_terms: D001521:Behavior Therapy / Q000379:methods; D006801:Humans; D010919:Placebos; D012107:Research Design
chemical_list: D010919:Placebos