Healthcare in America.
D005380:Financing, Government / Q000266:history; D006291:Health Policy / Q000266:history*; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006739:Hospital Administration / Q000266:history; D006761:Hospitals / Q000266:history*; D014481:United States