1. Antitumour activity of some cyclophosphazenes
2. EORTC results from B.W. Fox (Manchester) and F. Spreafico (Milano) (1980).
3. J-F. Labarre, F. Sournies, J. C. Van de Grampel and A. A. Van der Huizen, ANVAR French Patent No. 79-17336, July 4, 1979; world extension July 4, 1980.