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Abstract
Entities: Disease
Mesh: See more » Coal MiningHumansMalePneumoconiosis/diagnostic imagingPneumoconiosis/physiopathologyPulmonary Emphysema/diagnostic imagingRadiographyRespiratory Function Tests
Year: 1972 PMID: 4650861 PMCID: PMC1786057
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447