title: The fight to cover costs.
mesh_terms: D000552:Ambulances / Q000191:economics* / Q000458:organization & administration; D003363:Cost Control; D017048:Health Care Costs; D006278:Medicare / Q000191:economics; D012051:Reimbursement Mechanisms; D017664:Uncompensated Care / Q000191:economics; D014481:United States