Smoking, carboxyhemoglobin, and oxygen therapy.
D002263:Carboxyhemoglobin / Q000032:analysis*; D006454:Hemoglobins / Q000032:analysis*; D006801:Humans; D008171:Lung Diseases / Q000097:blood / Q000188:drug therapy; D010100:Oxygen / Q000627:therapeutic use*; D010101:Oxygen Consumption; D012907:Smoking / Q000503:physiopathology*
D006454:Hemoglobins; D002263:Carboxyhemoglobin; D010100:Oxygen