1. Botany & Microbiology Department, Faculty of Science, Beni-Suef University, Beni-Suef,Egypt
2. Clinical Pathology Department, South Egypt Cancer Institute, Assiut University, Assiut,Egypt
3. Medical Oncology Department, South Egypt Cancer Institute, Assiut University, Assiut,Egypt
4. Pediatric Oncology Department, South Egypt Cancer Institute, Assiut University, Assiut,Egypt
5. Physiology Division, Zoology Department, Faculty of Science, Beni-Suef University, Beni-Suef,Egypt