Smallpox 1945--smallpox 1996.
Robson
G B
GB
Stanford Medical School, Santa Rosa, California 95409, USA.
D004196:Disease Outbreaks; D014943:Global Health; D006291:Health Policy; D049673:History, 20th Century; D006801:Humans; D007564:Japan; D012899:Smallpox / Q000266:history* / Q000517:prevention & control; D012900:Smallpox Vaccine; D014481:United States
D012900:Smallpox Vaccine