1. Tannenbaum, A., and H. Silverstone, in “Cancer” Vol. 1 Edited by R.W. Raven, Butterworth & Co., Ltd., London, 1957, p. 306–334.
2. Carroll, K.K., E.B. Gammal and E.R. Plunkett, Canad. Med. Ass. J. 98:590–594 (1968).
3. Silverstone, H., and A. Tannenbaum, Cancer Res. 10:448–453 (1950).
4. Benson, J., M. Lev and C.G. Grand, Ibid. 16:135–137 (1956).
5. Dunning, W.F., M.R. Curtis and M.E. Maun, Ibid. 9:354–361 (1949).