title: Mass vaccination against smallpox and mortality in Yugoslavia in 1972.
mesh_terms: D004196:Disease Outbreaks / Q000517:prevention & control*; D005260:Female; D006801:Humans; D008297:Male; D009026:Mortality; D012899:Smallpox / Q000517:prevention & control*; D014611:Vaccination / Q000009:adverse effects*; D015022:Yugoslavia