1. Department of Pharmacology and Toxicology; Faculty of Pharmacy; Al-Azhar University; Cairo Egypt
2. Department of Pharmacology; Faculty of Medicine; Ain Shams University; Cairo Egypt
3. Department of Pharmacology and Toxicology; Faculty of Pharmacy; Ain Shams University; Cairo Egypt
4. Department of Pharmacology and Toxicology; Faculty of Pharmacy; Misr International University; Cairo Egypt