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Abstract
Entities: Species
Mesh: See more » Anniversaries and Special EventsHealth PromotionHumansImmunization ProgramsInfantUnited StatesVaccination
Year: 1994 PMID: 8145720
Source DB: PubMed Journal: MMWR Morb Mortal Wkly Rep ISSN: 0149-2195 Impact factor: 17.586