title: Frustration or opportunity? The impact of managed care on emergency psychiatry.
mesh_terms: D000328:Adult; D062787:Drug Overdose; D004637:Emergency Services, Psychiatric / Q000458:organization & administration / Q000706:statistics & numerical data / Q000639:trends*; D006279:Health Maintenance Organizations; D006760:Hospitalization; D006801:Humans; D008297:Male; D019966:Substance-Related Disorders / Q000534:rehabilitation; D014481:United States