title: Nicotine, carbon monoxide and heart disease.
mesh_terms: D002245:Carbon Dioxide / Q000009:adverse effects*; D003327:Coronary Disease / Q000209:etiology* / Q000401:mortality; D006801:Humans; D009538:Nicotine / Q000009:adverse effects*; D012306:Risk; D012907:Smoking
chemical_list: D002245:Carbon Dioxide; D009538:Nicotine