title: Secondhand smoke and obstructive lung disease: a causal effect?
authors.forename: Mark D
authors.initials: MD
authors.lastname: Eisner
mesh_terms: D003367:Cotinine / Q000097:blood / Q000652:urine; D004784:Environmental Monitoring; D016021:Epidemiologic Studies; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000209:etiology*; D014028:Tobacco Smoke Pollution / Q000009:adverse effects*
chemical_list: D014028:Tobacco Smoke Pollution; D003367:Cotinine