Health maintenance organizations and the rationing of medical care.
D002140:California; D003365:Costs and Cost Analysis; D003695:Delivery of Health Care / Q000191:economics / Q000458:organization & administration; D004465:Economic Competition; D004992:Ethics, Medical; D005251:Fees, Medical; D006279:Health Maintenance Organizations / Q000191:economics / Q000458:organization & administration; D006291:Health Policy; D006296:Health Services / Q000600:supply & distribution; D006297:Health Services Accessibility; D006801:Humans; D012052:Reimbursement, Incentive; D012959:Socioeconomic Factors; D014481:United States