[From bygone days--fight against smallpox].
Mathiesen
J
J
D049669:History, 16th Century; D049670:History, 17th Century; D049672:History, 19th Century; D006801:Humans; D009664:Norway; D012899:Smallpox / Q000266:history* / Q000517:prevention & control; D012900:Smallpox Vaccine / Q000266:history
D012900:Smallpox Vaccine