title: [200 years of vaccination].
authors.forename: V S
authors.initials: VS
authors.lastname: Perepelkin
mesh_terms: D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008887:Military Medicine / Q000266:history; D014611:Vaccination / Q000266:history*