1. Einarsson S, Stenqvist O, Bengtsson A, Houltz E, Bengtson JP. Nitrous oxide elimination and diffusion hypoxia during normoand hypoventilation. British Journal of Anaesthesia 1993; 71: 189-193. 2. Severinghaus JW. The rate of uptake of nitrous oxide in man. Journal of Clinical Investigation 1954; 33: 1183-1189. 3. Mapleson WW. Quantitative prediction of anaesthetic concentrations. In: Papper ...