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Selected References
These references are in PubMed. This may not be the complete list of references from this article.
- Henderson D. A. Eradication of smallpox: the critical year ahead. Proc R Soc Med. 1973 Jun;66(6):493–500. doi: 10.1177/003591577306600601. [DOI] [PMC free article] [PubMed] [Google Scholar]
