Cook, D G Health effects of passive smoking. 3. Parental smoking and prevalence of respiratory symptoms and asthma in school age children. [electronic resource] - Thorax Dec 1997 - 1081-94 p. digital Publication Type: Journal Article; Review; Systematic Review ISSN: 0040-6376 Standard No.: 10.1136/thx.52.12.1081 doi Subjects--Topical Terms: AdolescentAsthma--etiologyChildChild, PreschoolHumansLung Diseases--etiologyOdds RatioParentsPrevalenceTobacco Smoke Pollution