Letter: Estimation of blood-carboxyhaemoglobin.
D002263:Carboxyhemoglobin / Q000032:analysis*; D006454:Hemoglobins / Q000032:analysis*; D006801:Humans; D010092:Oximetry; D010100:Oxygen / Q000097:blood; D012907:Smoking
D006454:Hemoglobins; D002263:Carboxyhemoglobin; D010100:Oxygen