title: An important bicentenary.
authors.forename: M W
authors.initials: MW
authors.lastname: Beaver
mesh_terms: D000846:Anniversaries and Special Events; D004739:England; D049671:History, 18th Century; D049672:History, 19th Century; D006801:Humans; D012899:Smallpox / Q000266:history*; D012900:Smallpox Vaccine / Q000266:history; D014611:Vaccination / Q000266:history*
chemical_list: D012900:Smallpox Vaccine