Protective role of dimethyl diphenyl bicarboxylate (DDB) against erythromycin induced hepatotoxicity in male rats. Toxicology in Vitro Toxicology in Vitro, 21(4), 618-625. DNA riboprinting analysis of Tilapia species and their hybrids using restriction fragment length polymorphisms (RFLPs) of the small subunit ribosomal DNA. Aquaculture Research, 38, 295-303. Restriction fragment length polymorphisms (RFLPs) of the small subunit ribosomal DNA as a tool for identification of Tilapia spp. Egypt. J. Aquat. Biol. & Fish., 4: 465-482. Comparative study on electrophoretic protein pattern of Tilapia species in the river Nile, Egypt. Proceedings of the 7th International Symposium on Tilapia in Aquaculture, Arizona, USA, 281-292. Sublethal effects of copper sulphate, Malathion and Paraquat on protein pattern of Oreochromis niloticus. Egypt. J. Aquat. Biol. & Fish., 6 (2): 167-182. . Physiological and histpathological changes induced by phenol exposure in Oreochromis aureus juveniles. Turkish Journal of fisheries and Aquatic Sciences, 7: 131-138. Effect of hormonal injection and temperature on some blood parameters of the Nile tilapia. Zagazig University Medical journal, VI (3), 83-94. Effect of food processing on heavy metal bioaccumulation in fish flesh of Oreochromis niloticus. Journal of Home Economics- Minoufiya University, 11 (2), 1-15. A protective effect of calcium carbonate against arsenic toxicity on the Nile catfish, Clarias gariepinus. Turkish Journal of fisheries and Aquatic Sciences, 9(2): 191-200. Histological and Histochemical Alterations Induced by Phenol Exposure in Oreochromis aureus (Steindachner, 1864) Juveniles. Egyptian Journal of Fisheries and Aquatic sciences. 13 (2), 151- 172. Histopathological alterations on the liver of Northern plains killifish (Fundulus kansae, Garman 1895) induced by exposure to pesticides (Terbufos and Atrazine). Egypt. J. Exp. Biol. (Zool.), 5: 273-278. Optimum dietary vitamin E requirement of fingerling Channa punctatus (Bloch) based on growth, biochemical composition and hematological parameters. Aquaculture Research (Accepted for publication). Assessing ecotoxicity of municipal wastewater on Pseudanodonta complanata glochidia. Accepted for publication in Zoological Communications - official journal of the Hungarian Academy of Sciences, Hungary (In Magyar Language with English summary). Toxicitási tesztek Alalmazása Hazi Kagylófajokra. "Toxicity assessment using shelfish species". Presented as posture in "VII. Makroszkopikus Vízi Gerinctelenek Kutatási Konferencia Sümeg, 2010. április 15-16-17" the VII conference on macroinnvertebrates Sümeg, Hungary 2010. április 15-16-17. Acta Biologica Debrecina Oecologica Hungaica 21: 9-14 ((In Magyar Language with English summary). Sensitivity of three unionid glochidia to elevated levels of copper, zinc and lead. Knowledge and Management of Aquatic Ecosystems, an international journal on freshwater ecosystem. Effect of starving and feeding on some haematological and physiological responses of the Nile catfish, Clarias gariepinus exposed to copper at extreme seasons. The effect of stream bed morphology on Shredder abundance and leaf-litter decomposition in Hungarian midland streams. A novel protocol for assessing aquatic pollution, based on the feeding inhibition of Daphnia magna. Evaluation of single and interactive toxicities of lead and iron using filtration rate of Zebra mussels (Dreissena polymorpha). Effect of feed colours on growth, feed utilization and biochemical parameters of blue tilapia (Oreochromis aureus, Steindachner, 1864). Detection of Fungi and Mycotoxin Affected Wheat Quality. Architectural disturbances in the testis of the blue tilapia (Oreochromis aureus) juveniles exposed to phenol. Age, Growth and Reproduction of the Tub Gurnard, Chelidonichthys lucerna (Linnaeus, 1758) from the Egyptian Mediterranean waters off, Alexandria Age, growth and mortality of Streaked Gurnard (Trigloporus lastoviza, Bonnaterre, 1788) in the Egyptian Mediterranean waters off Alexandria High dietborne Cu and Cd induced genotoxicity ofNile tilapia (Oreochromis niloticus) High dietborne Cu and Cd induced genotoxicity ofNile tilapia (Oreochromis niloticus) Dietary copper requirement of fingerling Channa punctatus (Bloch) based on growth, feed conversion, blood parameters and whole body copper concentration Dietary copper requirement of fingerling Channa punctatus (Bloch) based on growth, feed conversion, blood parameters and whole body copper concentration Expressions and characterization of MuRFs, Atrogin-1, F-box25 genes in tilapia, Oreochromis niloticus, in response to starvation Zebra mussels (Dreissena polymorpha) invasion affects native unionids in Lake Balaton, Hungary Aspartame and Monosodium Glutamate Disturb Antioxidant Status of Male Albino Rat.