title: Expired air carbon monoxide: a simple breath test of tobacco smoke intake.
mesh_terms: D001944:Breath Tests / Q000379:methods*; D002248:Carbon Monoxide / Q000032:analysis*; D002263:Carboxyhemoglobin / Q000032:analysis; D006801:Humans; D010947:Plants, Toxic; D012906:Smoke; D014026:Nicotiana
chemical_list: D012906:Smoke; D002248:Carbon Monoxide; D002263:Carboxyhemoglobin