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3. Björk, V. O., and Hilty, H. J.: Microvolumetric Determination of Carbon Dioxide and Oxygen Tensions in Arterial Blood. The Accuracy of a Modification of the Riley-Proemmel-Franke Method. (In press).
4. Dyspnea in Relation to the Visco-Elastic Properties of the Lung;Christie;Proc. Roy. Soc. Med.,1953
5. Blood Oxygen Tension;Comroe;Methods in Medical Research,1950