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Abstract
Entities: Disease
Mesh: See more » AbsenteeismAgedAir PollutionBronchitis/prevention & controlEmploymentFemaleHealth EducationHumansLung Diseases, Obstructive/economicsLung Diseases, Obstructive/etiologyLung Diseases, Obstructive/prevention & controlLung Diseases, Obstructive/therapyMaleMiddle AgedRespiratory TherapyTobacco Use Disorder/complications
Year: 1981 PMID: 7277281 PMCID: PMC5377663
Source DB: PubMed Journal: J R Coll Physicians Lond ISSN: 0035-8819
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