The efficacy of cognitive behavior therapies: a quantitative review of the research evidence.
D001008:Anxiety Disorders / Q000628:therapy; D001521:Behavior Therapy; D003071:Cognition; D003866:Depressive Disorder / Q000628:therapy; D006261:Headache / Q000628:therapy; D006801:Humans; D011613:Psychotherapy; D011615:Psychotherapy, Group; D013223:Statistics as Topic