Smallpox and vaccination in Cuba. 1911.
Villoldo
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D003462:Cuba / Q000453:epidemiology; D004196:Disease Outbreaks / Q000266:history* / Q000517:prevention & control; D049673:History, 20th Century; D006801:Humans; D012899:Smallpox / Q000453:epidemiology / Q000266:history* / Q000517:prevention & control; D012900:Smallpox Vaccine / Q000008:administration & dosage / Q000266:history*; D014611:Vaccination / Q000266:history*
D012900:Smallpox Vaccine