title: Lung cancer: is fluoride in cigarette smoke an etiological factor?
mesh_terms: D005459:Fluorides / Q000032:analysis / Q000633:toxicity*; D006801:Humans; D008175:Lung Neoplasms / Q000209:etiology*; D012906:Smoke / Q000032:analysis*; D012907:Smoking
chemical_list: D012906:Smoke; D005459:Fluorides