1. Department of Pharmacology and Toxicology, Faculty of Pharmacy, Ain Shams University, Cairo 11566, Egypt
2. Department of Experimental and Clinical Pharmacology, College of Pharmacy, University of Minnesota, Minneapolis, MN 55455, USA
3. Department of Clinical Pharmacy, Faculty of Pharmacy, Tanta University, Tanta 31111, Egypt
4. Department of Cytology and Histology, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt