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Abstract
Mesh: See more » ChildChild, PreschoolHumansInfantParents/psychologyPertussis VaccineVaccinationWhooping Cough/prevention & control
Substances: See more » Pertussis Vaccine
Year: 1989 PMID: 2504387 PMCID: PMC1836923
Source DB: PubMed Journal: BMJ ISSN: 0959-8138