ARTURSON G., GARBY L., ROBERT M., and ZAAR B. “Changes in Carbon Monoxide Content of Whole Blood During Gas Equilibration in the Radiometer Dissociation Curve Analyzer (DCA-1)”. Upsala Journal of Medical Sciences, vol. 77, no. 1, Feb. 1972, pp. 22-24, doi:10.1517/03009734000000004.