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Abstract
Entities: Species
Mesh: See more » AgedAged, 80 and overAirway Obstruction/etiologyCotinine/urineCross-Sectional StudiesFemaleForced Expiratory VolumeHumansLung/physiopathologyMaleMiddle AgedPulmonary Disease, Chronic Obstructive/etiologyRisk FactorsSmoking/adverse effectsSmoking/physiopathologySmoking/urineSpirometry
Substances: See more » Cotinine
Year: 2010 PMID: 20157119 DOI: 10.7326/0003-4819-152-4-201002160-00001
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391