title: Passive smoking and lung cancer.
mesh_terms: D004781:Environmental Exposure; D006723:Hong Kong; D006801:Humans; D007564:Japan; D008175:Lung Neoplasms / Q000209:etiology* / Q000401:mortality; D012306:Risk; D013548:Sweden; D014028:Tobacco Smoke Pollution; D006113:United Kingdom; D014481:United States
chemical_list: D014028:Tobacco Smoke Pollution