References
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- Report of the 11th meeting of the WHO advisory committee on variola virus research. Geneva, Switzerland, 17–18 November 2010.
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Website
- Third World Network. WHA defers to 2014 decision on smallpox stocks destruction, 27 May 2011 www.twnside.org.sg/title2/intellectual_property/info.service/2011/ipr.info.110509.htm