1. Hassan, Ali, S. R. Morcos, Sorya El-Zamzami: Gaz. Egypt. Ped. Assoc.8, 487 (1960).
2. Panemangalore, M., Joseph M. Kantha, Rao, Narayana, N. Subramanian, K. Indinamma, D. S. Bhatia, M. Swaminathan, A. Sreenivasan, V. Subramanian: J. Food Sci.11, 199 (1962).
3. Tannous, R. I., J. W. Cowan, F. Rinnu, R. J. Asfour, Z. I. Sabry: Am. J. Clin. Nutr.17, 143 (1965).
4. Lateefa Knan: J. Nutr. and Dietet.6, 234 (1969).
5. Bender, A. E.: Royal Society of Health Journal,89, 221 (1969).