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Abstract
Entities: Disease
Mesh: See more » Bronchitis/complicationsCoal MiningCough/complicationsDisability EvaluationHumansLife ExpectancyLung/physiopathologyLung Diseases, Obstructive/diagnosisMalePneumoconiosis/diagnosisPneumoconiosis/epidemiology
Year: 1974 PMID: 4414189 PMCID: PMC1611737 DOI: 10.1136/bmj.3.5926.343
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447