1. G. A. Kupriyanov et al., Extracorporeal Circulation in Surgery of the Heart and Major Vessels [in Russian], Leningrad (1962).
2. P. V. Moulder et al., in: Hyperbaric Oxygen Therapy [Russian translation], Moscòw (1968), p. 31.
3. J. B. Bruckner, Thoraxchirurgie, Bd. 17, S. 371 (1969).
4. V. Montgomery, J. Thorac. Cardiovasc. Surg.,39, 288 (1960).
5. P. Galletti and G. Brecher, Heart-Lung Bypass. Principles and Techniques of Extracorporeal Circulation, New York (1962).