Mohamed, F. F., J. El-Jakee, and G. S. Essawy,
"Influence of the administration of dried calf thymus or calf thymus extract on performance and immunity of broilers.",
International Congress on Quality Veterinary Service for 21 St Century, Kuala Lumpur, Malaysia , at 15 - 17 November, pp. 285, 1994.
Essawy, G. S., H. A. El-Banna, H. M. Sobbhy, and Y. S. Ibrahim,
"Influence of lambda (synthetic pyrethroids) on fertility and blood parameters in male rats. ",
Vet. Med. J., (Giza), vol. 42, issue 1, pp. 71-75, 1994.
Younis, M., M. Soliman, G. S. Essawy, A. M. Otteifa, M. Fadaly, S. A. Essawy, and H. I. Abass,
"Induction of oestrus and pregnancy rate in non¬-cycling Egyptian buffalo-heifers.",
Buffalo Journal, vol. 12, issue 1, pp. 57-63, 1996.
]