Secondhand smoke and obstructive lung disease: a causal effect?
Eisner
Mark D
MD
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*
D014028:Tobacco Smoke Pollution; D003367:Cotinine