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- smallpox. Henderson DA. (2009) Smallpox, the Death of a Disease (ISBN 978-1591027225) New York: Prometheus Books Henderson DA (1993) Surveillance systems...24 KB (2,272 words) - 02:17, 27 April 2024
- Smallpox: The Death of a Disease. New York: Prometheus Books. ISBN 978-1591027225. Needham, Joseph; Lu, Gwei-Djen (2000). Science and Civilisation in...37 KB (4,868 words) - 16:04, 18 February 2024