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Abstract
Mesh: See more » CanadaHumansProduct Surveillance, Postmarketing/methodsProduct Surveillance, Postmarketing/standardsVaccines/adverse effectsVaccines/standards
Substances: See more » Vaccines
Year: 1991 PMID: 1677614
Source DB: PubMed Journal: Can Dis Wkly Rep ISSN: 0382-232X