Gouda, E. M., and G. S. Essawy, "Polymorphism of insulin like growth factor-1 (IGF-1) gene among chicken breeds in Egypt. ", Vet. Med. J. Giza, vol. 57, issue 2, pp. 169 - 177, 2009.
Ogaly, H. A., E. M. Gouda, M. A. Wasfy, M. A. Ghoneim1, and G. S. Essawy, "Recombinant ovine leptin expression in prokaryotic system. ", Egypt. J. Basic Appl. Physiol. , vol. 6, issue 1, pp. 17- 33, 2007.
Gouda, E. M., G. S. Essawy, and M. A. Ghoneim, " Expression of novel Recombinant Ovine Leptin from Egyptian Native breeds. ", Egypt. J. Basic Appl. Physiol., vol. 6, issue 1, pp. 1-16., 2007.
Ahmed, H. H., G. S. Essawy, H. A. Salem, and M. A. Abd El Daim, "Effect of melatonin on productive performance and some biochemical parameters in broiler chicks. ", Egypt. J. Basic Appl. Physiol., vol. 5, issue 2, pp. 365-380., 2006.
Ahmed, H. H., G. S. Essawy, H. A. Salem, and A. M. A. El-daim, " Melatonin has a strong antioxidant activity and improves liver and kidney functions in broiler chicks. ", Egypt. J. Basic Appl. Physiol., vol. 4, issue 1, pp. 77-92., 2005.
Gouda, E. M., G. S. Essawy, E. M. Mahdy, and H. H. Abdel-Mageed, " DNA fragmentation and DNA-protein cross-links as oxidative damage induced by heavy metals in rats. ", Journal of Egyptian Academic Society for Environmental Development (C-Molecular Biology), , vol. 5, issue 1, pp. 59-75. , 2004.
Essawy, G. S., M. A. Ghoneim, E. M. Gouda, and H. A. M. Ogaaly, "Production of recombinant ovine leptin in yeast expression system. ", The First International Conference Of Scientific Research And Its Applications, , , Cairo University pp 377, 18-20 December , 2004.
Essawy, G. S., " Leptin And Reproduction (Review). ", The sixteenth annual congress of the Egyptian Society for Animal Reproduction and Fertility, , Aswan, 25-29 January 20, 2004.
Essawy, G. S., " Biology Of Leptin (Review). ", The First Conference of the Egyptian Society of Physiological Sciences and Their Applications, , Giza, 5-9 August 2003,.
El-Far, F. I., M. A. Abdl-Rahman, G. S. Essawy, and H. Al-Krad, " Effect of iodide administration on growth performance, some plasma metabolites and thyroid hormones in broiler chickens. ", Egypt. J. Basic Appl. Physiol., vol. 2, issue 2, pp. 149-160., 2003.