title: Conjoint versus one-person family therapy: some evidence for the effectiveness of conducting family therapy through one person.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D005196:Family Therapy / Q000379:methods*; D005500:Follow-Up Studies; D006801:Humans; D011615:Psychotherapy, Group; D019966:Substance-Related Disorders / Q000628:therapy*