Community support systems for the homeless mentally ill.
D003156:Community Mental Health Services; D003419:Crisis Intervention; D006703:Ill-Housed Persons / Q000523:psychology; D006798:Housing; D006801:Humans; D001523:Mental Disorders / Q000534:rehabilitation*; D012931:Social Environment; D012944:Social Support; D012947:Social Work; D014481:United States