Referral network: brokers and providers.
D002977:Clergy; D003376:Counseling; D004519:Education, Special; D006296:Health Services; D006801:Humans; D008607:Intellectual Disability; D007400:Interprofessional Relations; D007603:Jurisprudence; D010820:Physicians; D012017:Referral and Consultation; D012946:Social Welfare; D014481:United States