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Abstract
Keywords: VACCINES AND VACCINATION; VIRUS DISEASES/prevention and control
Mesh: See more » HumansImmunizationVaccinationVaccinesVirus Diseases/prevention & controlViruses
Substances: See more » Vaccines
Year: 1955 PMID: 14389723 PMCID: PMC1980344
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447