[Contributions to the history of smallpox vaccination in Byelorussia].
D049711:History, Modern 1601-; D006801:Humans; D002094:Republic of Belarus; D012900:Smallpox Vaccine / Q000266:history*; D014611:Vaccination / Q000266:history
D012900:Smallpox Vaccine
K istorii ospoprivaniia v Belorussi.