title: On the clinical superiority of the level system.
mesh_terms: D000293:Adolescent; D001521:Behavior Therapy / Q000379:methods*; D006744:Hospital Bed Capacity, 100 to 299; D006778:Hospitals, Psychiatric / Q000458:organization & administration*; D006801:Humans; D001523:Mental Disorders / Q000628:therapy*; D013781:Texas