References
- Náraa N., Boye E. Indirect Po2 determination in an extended Siggaard-Engel nomogram, Unpublished paper
- Rahn H., Fenn W. O. A graphical analysis of the respiratory gas exchange. The O2-CO2 diagram. The American Physiological Society, Washington, DC 1955
- Siggaard Andersen O., Jørgensen K., Naeraa N. Spectrophotometric determination of oxygen saturation in capillary blood. Scand. J. clin. Lab. Invest 1962; 14: 298
- Siggaard Andersen O., Jørgensen K., Naeraa N. The acid-base status of the blood. Ibid 1963; 15: 110, suppl 70