title: Low cost carbon monoxide monitors in smoking assessment.
mesh_terms: D002248:Carbon Monoxide / Q000032:analysis*; D002263:Carboxyhemoglobin / Q000032:analysis; D004864:Equipment and Supplies / Q000191:economics; D006801:Humans; D000074606:Smoking Prevention
chemical_list: D002248:Carbon Monoxide; D002263:Carboxyhemoglobin