1. Clinical Pathology Department, Faculty of Veterinary Medicine, Benha University, P.O. Box13736 Benha, Egypt
2. Histology Department., Faculty of Veterinary Medicine, Benha University, P.O. Box 13736 Benha, Egypt
3. Clinical Pharmacology Department, Faculty of Medicine, Benha University, 13511 Benha, Egypt
4. Department of Clinical Laboratory Sciences, Turabah University College, Taif University, P.O.
Box 11099, Taif 21944, Saudi Arabia
5. General Science and English Language Department, College of Applied Sciences, AlMaarefa University, Riyadh 71666, Saudi Arabia
6. Anatomy and Histology Department, Faculty of Veterinary Medicine, Tripoli University, 15673 Tripoli, Libya