Specialty services boost psych providers.
D000293:Adolescent; D000368:Aged; D002648:Child; D003631:Day Care, Medical; D006279:Health Maintenance Organizations; D006301:Health Services Needs and Demand; D006778:Hospitals, Psychiatric / Q000639:trends*; D006801:Humans; D007345:Insurance Claim Review; D007358:Insurance, Psychiatric / Q000639:trends; D014481:United States