1. Department of Pharmacology, National Research Centre, Cairo, Egypt
2. Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt
3. Department of Biochemistry, Faculty of Veterinary medicine, Beni-Suef University, Beni Suef, Egypt
4. Department of Pharmacology & Toxicology, Faculty of Pharmacy, Beni-Suef University, Beni Suef, Egypt