Effect of two detoxifing agents (thermal, irradiation) on Ricinus Communis seed toxicity in rats. Immuntoxic effects of flunixin meglumine and isoflubridone acetate(An anti-inflammatory drugs) expermintaly in rabbit. Carcinogenicity ,cytogenicity and histololgical aspects following long term administration of high doses of tartrazine and butylated hydroxyl anisol to Albino rats. Toxicological effect of poly vinyl chloride on reproductive system of Albino rats. Genotoxic ,biochemical and histological changes due to organophosphorous primiphose- methyl in Albin o rats "Rattus Norvegicus". Identifcation of meat by isoelectic focusing method comparison with other used methods. Survey on air pollutants around some industrial factories in EL-Kahira EL-Kobra and their toxicity. Withdrawal of cadmium residues from egg and tissues of in toxicated Balady hens. Uses of computer to design a program for clinical diagnosis of toxin Computer programe aided clinical laboratory prognosis and ststistical analysis of semen samples from different animal species Post mortem DNA analysis for determinating time of death and sex identification Comparative study of the neurotoxicological effect of b-pinene and fenvalerate on albino rat. Biological and chemical identification of adulteration of beef and its products in Gharbia Governorate. Toxic pathological and reproductive effect of indole 3-butyric acid (plant growth hormone) on male albino rats. Adverse effect of different doses of anti- coccidial drug toltrazuril (BAY-COX) on children. Toxic and teratogenic risk of trimethoprim- sulphadiazinendrug in pregnant albino rats in relation to thyroid function. Role of acetyl salicylic acid to over come toxicity of phenolic antioxidant (butylated hydroxyl anisole) in albino rat Biochemical ,toxicological and histological studies on albino rats as affected by dietary selenium and vitamine E Withdrawal effect of codeine and phenobarbitone on the brain and cardiac function enzymes and glucose metabolism in adult albino rats Toxicological interaction of chromium and gentamicine sulphate on kidney functions Effects of benzo(a)pyrene on blood components, tumor markers, and oxidative status in mice