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Abstract
Entities: Disease
Mesh: See more » AdultAir PollutionBronchitis/etiologyChildHumansMiddle AgedRespiratory Tract Diseases/complicationsSmoking/complicationsUnited Kingdom
Year: 1970 PMID: 5443399 PMCID: PMC1700042
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447