Green tea antioxidative potential in irradiated pregnant rats Protective role of green tea administration against radiation – induced biological changes in pregnant rats. Noninvasive markers in monitoring hepatocellular damage: role of natural antioxidants: nigellasativa, honey and silymarin in treatment of hepatocellular damage Effects of concurrent exposure to dietary Cd and Zn on some blood biochemical parameters of quails Effect of some anti-diabetic drugs on fertility in male albino Rats. The hepatoprotective effect of some medicinal plants on liquid profile in diabetic rats. Toxicity and bioaccumulation of organophosphorus insecticide, Profenofos in aquatic environment. Effect of simvastatin on some biochemical aspects and DNA fragmentation in induced hypercholesterolemic rat.