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Abstract
Mesh: See more » ChildChild, PreschoolHumansPertussis VaccineVaccinationWhooping Cough/epidemiologyWhooping Cough/prevention & control
Substances: See more » Pertussis Vaccine
Year: 1978 PMID: 698710 PMCID: PMC1607590
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447