title: Access and ability to pay: the ethics of a tiered health care system.
authors.affiliation: Department of Clinical Bioethics at the Clinical Center, National Institutes of Health, Bethesda, MD 20892, USA.
authors.forename: Benjamin J
authors.initials: BJ
authors.lastname: Krohmal
authors.forename: Ezekiel J
authors.initials: EJ
authors.lastname: Emanuel
mesh_terms: D003695:Delivery of Health Care / Q000191:economics* / Q000941:ethics; D004992:Ethics, Medical; D018166:Health Care Reform / Q000191:economics / Q000941:ethics; D006297:Health Services Accessibility / Q000191:economics* / Q000941:ethics; D006801:Humans; D014481:United States