Bioterrorism. New look at old data irks smallpox-eradication experts.
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Martin
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D023482:Bioterrorism; D004196:Disease Outbreaks / Q000517:prevention & control; D006801:Humans; D017589:Immunization Programs; D015994:Incidence; D032541:Mass Vaccination; D012899:Smallpox / Q000453:epidemiology / Q000517:prevention & control*; D012900:Smallpox Vaccine; D014481:United States; D014611:Vaccination
D012900:Smallpox Vaccine