title: Expected decline in carboxyhemoglobin levels as related to automobile carbon monoxide emission standards.
mesh_terms: D001336:Automobiles / Q000592:standards; D002248:Carbon Monoxide / Q000032:analysis*; D002263:Carboxyhemoglobin / Q000032:analysis*; D002641:Chicago; D006454:Hemoglobins / Q000032:analysis*; D006801:Humans; D001335:Vehicle Emissions / Q000032:analysis / Q000517:prevention & control*
chemical_list: D006454:Hemoglobins; D001335:Vehicle Emissions; D002248:Carbon Monoxide; D002263:Carboxyhemoglobin