title: Causal mediation of change in treatment for depression: discriminating between nonspecificity and noncausality.
mesh_terms: D001521:Behavior Therapy / Q000379:methods*; D003072:Cognition Disorders / Q000523:psychology / Q000628:therapy*; D003866:Depressive Disorder / Q000523:psychology / Q000628:therapy*; D006801:Humans