The new entrepreneurialism in health care. The historical perspective.
D004465:Economic Competition / Q000639:trends; D004470:Economics, Medical / Q000639:trends; D006268:Health Facilities / Q000266:history*; D006269:Health Facilities, Proprietary / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D014481:United States