title: Validation of studies on lung cancer in non-smokers married to smokers.
mesh_terms: D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000209:etiology* / Q000235:genetics; D008297:Male; D008393:Marriage; D014028:Tobacco Smoke Pollution / Q000009:adverse effects*
chemical_list: D014028:Tobacco Smoke Pollution