1. Department of Pharmacology and Toxicology; Faculty of Pharmacy, King Abdulaziz University; Jeddah Saudi Arabia
2. Department of Pharmacology and Toxicology; Faculty of Pharmacy, Al-Azhar University; Nasr City Cairo Egypt
3. Department of Pharmacology and Toxicology; College of Pharmacy, Taibah University, El-Madinah El-Munaworah; Saudi Arabia