title: Comment on 'An epidemiological analysis of the relationship between exposure to Rn progeny, smoking and bronchogenic carcinoma'.
mesh_terms: D001729:Bismuth; D002283:Carcinoma, Bronchogenic / Q000209:etiology*; D006801:Humans; D007854:Lead; D008175:Lung Neoplasms / Q000209:etiology*; D009381:Neoplasms, Radiation-Induced / Q000209:etiology*; D011059:Polonium; D017687:Radon Daughters; D012907:Smoking
chemical_list: D017687:Radon Daughters; D007854:Lead; D011059:Polonium; D001729:Bismuth