No abstract available
Publication types
-
Editorial
-
Historical Article
MeSH terms
-
Canada
-
England
-
History, 18th Century
-
History, 19th Century
-
History, 20th Century
-
Humans
-
Smallpox / history*
-
Smallpox / prevention & control
-
Smallpox Vaccine / history*
-
Smallpox Vaccine / therapeutic use
-
Vaccination / history*