title: Smoke screens.
mesh_terms: D002248:Carbon Monoxide / Q000008:administration & dosage; D004305:Dose-Response Relationship, Drug; D006801:Humans; D009538:Nicotine / Q000008:administration & dosage; D009589:Nitrogen Oxides / Q000008:administration & dosage; D012306:Risk; D012907:Smoking / Q000150:complications*; D013638:Tars / Q000008:administration & dosage
chemical_list: D009589:Nitrogen Oxides; D013638:Tars; D009538:Nicotine; D002248:Carbon Monoxide