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Abstract
Entities: Species
Keywords: SMALLPOX/prevention and control
Mesh: See more » EpidemicsHumansSmallpox/prevention & controlVaccinationVariola virus
Year: 1959 PMID: 13655688 DOI: 10.1016/s0140-6736(59)90671-3
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321