1. Lebda, M.A., M.S. El-Neweshy and Y.S. El-Sayed, 2012. Neurohepatic toxicity of subacute manganese chloride exposure and potential chemoprotective effects of lycopene. NeuroToxicol., 33: 98-104.
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2. El-Neweshy, M.S., Z.K. El-Maddawy and Y.S. El-Sayed, 2012. Therapeutic effects of date palm (Phoenix dactylifera L.) pollen extract on cadmium-induced testicular toxicity. Andrologia, 10.1111/and.12025.
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3. Ellakany, H.F., S.S. Abu-akkada, S.S. Oda and Y.S. El-Sayed, 2011. Influence of low levels of dietary aflatoxins on Eimeria tenella infections in broilers. Trop. Anim. Health Production, 43: 249-257.
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4. El-Neweshy, M.S. and Y.S. El-Sayed, 2011. Influence of vitamin c supplementation on lead-induced histopathological alterations in male rats. Exp. Toxicol. Pathol., 63: 221-227.
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5. Algedawy, S.A., M.K. Soliman, I.M. Elashmawy and Y.S. El-Sayed, 2011. Effect of commercial probiotic and exogenous enzymes on the growth performance, immune response, and hemato-biochemical parameters of broiler chickens. Proceedings of the 4th Animal Wealth Research Conference in the Middle East and North Africa, October 3-5, 2011, Giza, Egypt, pp: 430-445..
6. El-Sayed, Y.S., O.I. Mohamed, K.M. Ashry and S.M. Abd El-Rahman, 2010. Using species-specific repeat and pcr-rflp in typing of dna derived from blood of human and animal species. Forensic Sci. Med Pathol, 6: 158-164.
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7. Ashry, K.M., Y.S. El-Sayed, R.M. Khamiss and I.M. El-Ashmawy, 2010. Oxidative stress and immunotoxic effects of lead and their amelioration with myrrh (Commiphora molmol) emulsion. Food Chemical Toxicol., 48: 236-241.
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8. El-Sayed, Y.S., R.H. Khalil and T.T. Saad, 2009. Acute Toxicity of Ochratoxin-A in Marine Water-Reared Sea bass (Dicentrarchus labrax L.). ‎Chemosphere, 75: 878-882.
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9. El-Sayed, Y.S. and R.H. Khalil, 2009. Toxicity, biochemical effects and residue of aflatoxin B₁ in marine water-reared sea bass (Dicentrarchus labrax L.). Food Chem. Toxicol., 47: 1606-1609.
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10. El-Sayed, Y.S., T.T. Saad and S.M. El-Bahr, 2007. Acute intoxication of deltamethrin in monosex Nile tilapia, Oreochromis niloticus with special reference to the clinical, biochemical and haematological effects. Environ. Toxicol. Pharmacol., 24: 212-217.
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11. El-Sayed, Y.S. and T.T. Saad, 2007. Subacute intoxication of a deltamethrin-based preparation (Butox 5% EC) in monosex nile tilapia, Oreochromis niloticus L. Basic Clin. Pharmacol. Toxicol., 102: 293-299.
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12. Ashry, K.M., T.A. Ibrahim, A.E.K.A. Mahmoud and Y.S. El-Sayed, 2005. Hazards effects of industrial fluoride toxicity on bovines in some villages in behera and gharbia governorates. Proceedings of the 8th Science Congress Egyptian Society for Cattle Diseases, December 11-13, 2005, Assiut, Egypt -.