Medscape millennium presentation.
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D003695:Delivery of Health Care / Q000266:history* / Q000639:trends; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D009613:Nobel Prize; D014481:United States