1. Photoelectric Method for the Determination of Arterial Oxygen Saturation in Man;Sekelj;Am. Heart J.,1951
2. Sources of Error in Oxymetry;Elam;Ann. Surg.,1949
3. Untersuchungen Über den Gasaustausch in der Menschlighen Lunge. I. Mitteilung. Sauerstoff Gehalt und Sauerstoff Spannung im Arterienblut und im Venösen Mischblut des Menschen;Matthers;Arch. exper. Path. u. Pharmakol.,1936
4. A Photoelectric Oxyhemograph. A Continuous Method for Measuring the Oxygen Saturation of the Blood;Hartman;Am. J. Clin. Path.,1948
5. The Conversion of Millikan and Wood Type Oximeters Into Direct-writing Recording Instruments for Use in Surgery, in Studies of Pulmonary Function, and in Teaching Respiratory Physiology;Perkins;J. Lab. & Clin. Med.,1952