Vaccination's bicentennial: a surgical landmark.
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New York University School of Medicine, USA.
D004739:England; D005060:Europe / Q000453:epidemiology; D013502:General Surgery / Q000266:history*; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D012899:Smallpox / Q000276:immunology*; D014611:Vaccination / Q000266:history*