title: Changing concepts of health care: an historian's view.
mesh_terms: D000368:Aged; D002648:Child; D002681:China; D003695:Delivery of Health Care; D030881:Disclosure; D004992:Ethics, Medical / Q000266:history; D005060:Europe; D006666:History of Medicine; D049668:History, 15th Century; D049669:History, 16th Century; D049671:History, 18th Century; D049673:History, 20th Century; D049690:History, Ancient; D049691:History, Medieval; D006801:Humans; D014481:United States