title: Cost sharing in the emergency department--is it safe? Is it needed?
authors.forename: J V
authors.initials: JV
authors.lastname: Selby
mesh_terms: D017047:Cost Sharing; D004636:Emergency Service, Hospital / Q000191:economics* / Q000706:statistics & numerical data; D006801:Humans; D009203:Myocardial Infarction / Q000191:economics* / Q000628:therapy*; D010342:Patient Acceptance of Health Care; D013997:Time Factors; D014481:United States