The health care crisis in historical perspective.
D002170:Canada; D003695:Delivery of Health Care / Q000266:history*; D004470:Economics, Medical / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D006761:Hospitals / Q000266:history; D011634:Public Health / Q000266:history