title: Public policy and the emergency department.
authors.forename: R M
authors.initials: RM
authors.lastname: Williams
mesh_terms: D004635:Emergency Medicine / Q000191:economics; D006291:Health Policy; D007349:Insurance, Health, Reimbursement; D017057:Medically Uninsured; D009310:National Health Insurance, United States; D014481:United States