Emergency mental health care in an HMO.
D000328:Adult; D001900:Boston; D003419:Crisis Intervention; D004637:Emergency Services, Psychiatric / Q000458:organization & administration*; D005260:Female; D006279:Health Maintenance Organizations; D006801:Humans; D008297:Male; D001523:Mental Disorders / Q000628:therapy*; D008605:Mental Health Services / Q000458:organization & administration*; D012017:Referral and Consultation; D019966:Substance-Related Disorders / Q000628:therapy