title: Checking it once, checking it twice.
authors.forename: J
authors.initials: J
authors.lastname: Hadley
mesh_terms: D004465:Economic Competition / Q000639:trends; D005251:Fees, Medical; D005380:Financing, Government; D006264:Health Benefit Plans, Employee; D018166:Health Care Reform / Q000458:organization & administration*; D006291:Health Policy; D006801:Humans; D007342:Insurance Benefits; D007349:Insurance, Health, Reimbursement; D009310:National Health Insurance, United States; D010821:Physicians, Family / Q000600:supply & distribution; D013660:Taxes; D014481:United States