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Abstract
Mesh: See more » AgedDisease Outbreaks/prevention & controlFemaleHumansInfluenza VaccinesInfluenza, Human/prevention & controlMaleMiddle AgedUnited States/epidemiologyVaccination/statistics & numerical data
Substances: See more » Influenza Vaccines
Year: 1990 PMID: 2308576
Source DB: PubMed Journal: MMWR Morb Mortal Wkly Rep ISSN: 0149-2195 Impact factor: 17.586