title: The US pluralistic health-care sector.
authors.affiliation: Eisenhower Center, Conservation of Human Resources, Columbia University, New York City 10027, USA.
authors.forename: E
authors.initials: E
authors.lastname: Ginzberg
authors.forename: M
authors.initials: M
authors.lastname: Ostow
mesh_terms: D054598:Blue Cross Blue Shield Insurance Plans / Q000191:economics / Q000266:history; D003695:Delivery of Health Care / Q000191:economics / Q000266:history* / Q000639:trends; D004465:Economic Competition; D049673:History, 20th Century; D006801:Humans; D007348:Insurance, Health / Q000191:economics / Q000266:history* / Q000639:trends; D008329:Managed Care Programs / Q000191:economics / Q000266:history*; D014481:United States