Smallpox and vaccination.
Grist
Norman R
NR
D000368:Aged; D000369:Aged, 80 and over; D006801:Humans; D008297:Male; D012606:Scotland; D012899:Smallpox / Q000175:diagnosis / Q000276:immunology*; D012900:Smallpox Vaccine / Q000276:immunology*; D012901:Variola virus / Q000254:growth & development
D012900:Smallpox Vaccine