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Abstract
Mesh: See more » AdolescentAdultAge DistributionAgedCanada/epidemiologyChildChild, PreschoolHumansIncidenceInfluenza, Human/diagnosisInfluenza, Human/epidemiologyInfluenza, Human/virologyMiddle AgedRisk Factors
Year: 1996 PMID: 8997813
Source DB: PubMed Journal: Can Commun Dis Rep ISSN: 1188-4169