title: Environment and type of lung cancer.
mesh_terms: D001725:Bis(Chloromethyl) Ether / Q000009:adverse effects*; D018288:Carcinoma, Small Cell / Q000139:chemically induced*; D006801:Humans; D008175:Lung Neoplasms / Q000139:chemically induced*; D008738:Methyl Ethers / Q000009:adverse effects*
chemical_list: D008738:Methyl Ethers; D001725:Bis(Chloromethyl) Ether