1. Hussein, H.K., M.H.R. Elnaggar and J.M. Al-Dailamy, 2012. Protective role of Vitamin C against hepatorenal toxicity of fenvalerate in male rats. Global Adv. Res. J. Environ. Sci. Toxicol., 1: 60-65.
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2. Hussein, H.K., M.H. Elnaggar and N.K. Al-Zahrani, 2012. Antioxidant role of folic acid against reproductivetoxicity of cyhalothrin in male mice. Global Adv. Res. J. Environ. Sci. Toxicol., 1: 66-71.
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3. Abu-Zinadah, O.A., H.K. Hussein, M.F. Elshal and M.H. Elnaggar, 2012. Effect of excess dietary copper on proliferation and differentiation of the proerythroblasts and erythrocytes in rats. Afr. J. Biotechnol., 11: 6187-6191.
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4. Baz, E.S., A.E.D. Sallam and M.H. El-Naggar, 2009. Development of a method for monitoring the locomotor and visual circadian rhythms in a free-moving scorpion. Egypt. J. Nat. Toxins, 6: 16-31.
5. Ismail, M.S.M., M.H.R. El-Naggar, M.F.M. Soliman and M.M. Ghallab, 2007. A field study on the two-spotted spider mite and its natural predators. Egypt. J. Nat. Toxion, 4: 26-44.
6. Ismail, M.S.M., M.F.M. Soliman, M.H. El Naggar and M.M. Ghallab, 2007. Acaricidal activity of spinosad and abamectin against two-spotted spider mites. Exp. Applied Acarol., 43: 129-135.
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7. Shoukry, N.M., M.H. El-Naggar, A.B. Darwish, B.A. Soliman and B.M. El-Sawaf, 2006. Studies on rodents role as reservoir hosts of leishmaniasis with specical reference to their ectoparasites in Suez Governorate. J. Egypt. Soc. Parasitol., 36: 93-106.
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8. El-Naggar, M.H., N.M. Shoukry, B.A. Soliman, A.B. Darwish and B.M. El-Sawaf, 2006. Ecology, biology and susceptibility of Phlebotomus papatasi to leishmania experimental infection in Suez Governorate. J. Egypt. Soc. Parasitol., 36: 127-138.
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9. Rahmy, T.R., M.H. El-Naggar and A.E. Mehana, 2005. Immunohistochemical detection of hepatic injury after cobra snake envenoming. Egypt. J. Nat. Toxins, 2: 119-134.
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10. Abdelmoniem, H.E.D., S. Zalat, M. El-Naggar and A. Ghobashy, 2003. Spider diversity in relation to habitat heterogeneity and an altitudinal gradient in South Sinai, Egypt. Egypt. J. Biol., 5: 129-137.
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11. McVean, A., M.A.A. Omran and M.H.R. El-Naggar, 2002. The demography of scorpion envenomation in Sinai Bedouin (Egypt), native remedies and precautions, a review on the efficacy of scorpion antivenom and a testable proposal for preventive treatment. Serket, 8: 43-65.
12. El-Naggar, M.H.R., M.H. Khalifa and H. Abdel-Raouf, 2001. Effect of avocado oils on the metabolism of adult male albino rats. J. Egypt. Ger. Soc. Zool., 36: 255-269.
13. Abdel-Latif, M.M., M.H. El-Naggar, M.A.A. Omran and I.M. Abdel-Nabi, 2001. Evaluation of the pathophysiological effects of bromazepam on some clinical chemistry parameters of rat. Egypt. J. Biol., 3: 72-80.
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14. Abdel-Latif, M.M., M.A.A. Omran, M.H.R. El-Naggar and I.M. Abdel-Nabi, 2001. High doses of sedative drug induces marked alterations on activities of cardiac, skeletal and smooth muscles of experimental animals. Egypt. J. Biol., 3: 47-67.
15. Moharram, N.Z., M.H.R. El-Naggar, A.G. Hegazi and F.A. El-Meniawy, 2000. Propolis, an antiviral agent for chickens infected with Newcastle disease virus. J. Egypt. Ger. Soc. Zool., 31: 325-353.
16. El-Naggar, M.H.R., 2000. Toxicity of benzoic and sorbic acids used as food preservatives. J. Egypt. Ger. Soc. Zool., 31: 289-302.
17. Bedir, M.A., M.H.R. El-Naggar, A.N. Kayed and G.M. Orabi, 1999. Ecological studies on two lizard species inhabiting Wadi El-Arbein at Saint Katherine area, south Sinai with special reference to biotic elements. J. Egypt. Ger. Soc. Zool., 28: 485-503.
18. Kayed, A.N., M.A. Bedir, M.H.R. El-Naggar and G.M. Orabi, 1998. Food consumption, food assimilation and assimilation efficiency of Acanthodactylus boskianus lizard. J. Egypt. Ger. Soc. Zool., 25: 273-291.
19. Omran, M.A.A., I.M. Abdel-Nabi and M.H.R. El-Naggar, 1997. Serum biochemical and hormonal parameters as biomarkers for the toxic effects of Egyptian Cobra (Naja haje) envenomation. J. Nat. Toxins, 6: 69-83.
20. El-Naggar, M.H.R. and M.A.A. Omran, 1997. Effect of stress by changing daily rhythm on some hormones of rat. J. Egypt. Ger. Soc. Zool., 24: 243-255.
21. Osfor, M.H., Z.A. El-Khyat and M.H.R. El-Naggar, 1995. Antibacterial effect of Nigella sativa oil administration in albino rat. J. Egypt. Ger. Soc. Zool., 18: 149-162.
22. Bedir, M.A., R. Boulos and M.H.R. El-Naggar, 1994. Ecological studies on the fauna of Wadi Sahab area in south Sinai with special reference to the Agamid lizard Uromastyx ornatus. J. Egypt. Ger. Soc. Zool., 13: 105-120.
23. Bedir, M.A. and M.H.R. El-Naggar, 1994. The arthropods of the nests of Neotoma micropus and Neotoma albigula: A microhabitat in the desert environment. J. Egypt. Ger. Soc. Zool., 13: 95-112.
24. Bedir, M.A. and M.H.R. El-Naggar, 1994. Some ecological studies on the fauna of Saint Katherine area in south Sinai with special reference to the Agamid lizard Agama stellio. J. Egypt. Ger. Soc. Zool., 13: 67-84.
25. Abu-El-Zahab, H.S.H., M.H.R. El-Naggar, Z.A. El-Khyat, S.A.E. Bashandy, A. El-Saify and N.Z. Moharram, 1994. Effect of nicotine administration on the activity of some serum and liver enzymes of male albino rats. J. Egypt. Ger. Soc. Zool., 15: 345-354.
26. Abu-El-Zahab, H.S.H., A. El-Saify, Z.A. El-Khyat, M.H.R. El-Naggar and S.A.E. Bashandy, 1994. Changes in serum and liver proteins, creatinine and blood urea nitrogen of adult male albino rats following nicotine administration. J. Union Arab Biol., 2: 391-402.
27. Abdel-Nabi, I.M.M., M.H.R. El-Naggar and K.A. Abdel-Raheem, 1992. Hibernation in reptiles. 2-Lipid metabolism in brain, liver and kidney of Agama stellio and Uromastyx ornatus. Proc. Zool. Soc. A.R. Egypt, 23: 109-117.
28. Abdel-Nabi, I.M.M., M.H.R. El-Naggar and K.A. Abdel-Raheem, 1992. Hibernation in reptiles. 1-Influence of seasonal variations on lipid fractions in the serum of Agama stellio and Uromastyx ornatus. Proc. Zool. Soc. A.R. Egypt, 23: 101-108.
29. Abdel-Nabi, I.M.M. and M.H.R. El-Naggar, 1992. Hibernation in reptiles. 3-Changes in metabolism of lipid fractions in skeletal and cardiac muscles of Agama stellio and Uromastyx ornatus. Proc. Zool. Soc. A.R. Egypt, 23: 118-125.