title: Refusing to pay for health care: Part I (of III)--Evolution of the third-party payment system.
authors.forename: E J
authors.initials: EJ
authors.lastname: Ross
mesh_terms: D049673:History, 20th Century; D007348:Insurance, Health / Q000266:history*; D008329:Managed Care Programs / Q000191:economics / Q000266:history*; D014481:United States