Cowpox: increased incidence or interest?
Baxby
D
D
D015605:Cowpox / Q000453:epidemiology* / Q000517:prevention & control; D006801:Humans; D015994:Incidence; D011159:Population Surveillance; D012900:Smallpox Vaccine; D013997:Time Factors; D006113:United Kingdom / Q000453:epidemiology
D012900:Smallpox Vaccine