1. Appelgren, C.: Acta Physiol. Scand., Suppl. 378 (1972).
2. Bassenge, E., Schmid-Schönbein, H., V. Restorff, W., Volger, E.: In: Hemodilution. Theoretical Basis and Clinical Application (eds. K. Messmer, H. Schmid-Schönbein), P. 174. Basel-New York: Karger 1972.
3. Brenner, B.: Arch. Surg. 108, 761 (1974).
4. Bossy, S., Titeica, M., Montomancea, D., Cristea, M.: Anesth. Analg. 29, 341 (1972).
5. Bouhoutsos, J., Morris, T., Charatzas, D., Martin, P.: Brit. J. Surg. 61, 984 (1974).