The homeless crisis and health care.
D006301:Health Services Needs and Demand / Q000706:statistics & numerical data*; D006703:Ill-Housed Persons / Q000706:statistics & numerical data*; D006779:Hospitals, Public; D006801:Humans; D007902:Length of Stay / Q000706:statistics & numerical data*; D001523:Mental Disorders / Q000628:therapy; D009519:New York City; D010343:Patient Admission / Q000706:statistics & numerical data*; D019966:Substance-Related Disorders / Q000628:therapy