Use of Medicaid payment files for medical care research.
D002648:Child; D002662:Child Health Services / Q000706:statistics & numerical data; D003153:Community Health Services / Q000706:statistics & numerical data*; D004636:Emergency Service, Hospital / Q000706:statistics & numerical data; D005069:Evaluation Studies as Topic; D005251:Fees, Medical; D005102:Health Expenditures; D006801:Humans; D007255:Information Services; D007256:Information Systems; D008484:Medicaid; D009518:New York; D010044:Outpatient Clinics, Hospital / Q000706:statistics & numerical data; D010820:Physicians / Q000706:statistics & numerical data; D012106:Research; D014600:Utilization Review