title: [More about Balmis's expedition].
authors.forename: Enrique R
authors.initials: ER
authors.lastname: Laval
mesh_terms: D002677:Chile; D049671:History, 18th Century; D049672:History, 19th Century; D012899:Smallpox / Q000266:history*; D012900:Smallpox Vaccine / Q000266:history*; D014611:Vaccination / Q000266:history*
chemical_list: D012900:Smallpox Vaccine