1. Photometry and spectrophotometry;Drabkin,1944
2. Neurologic manifestations of chronic carbon monoxide poisoning;Gilbert;New Engl. J. Med.,1959
3. Spectrophotometric studies, XVI. Determination of the oxygen saturation of blood by a simplified technique, applicable to standard equipment;Gordy;J. Biol. Chem.,1957
4. Studies on the conversion of oxyhemoglobin to alkaline hematin in dilute alkaline solutions;Harboe;Scand. J. Clin. Lab. Invest.,1959
5. “Spectrophotometry in Medicine,”;Hufner,1943