1. Department of Toxicology and Narcotics, Medical Research and Clinical Studies Institute, National Research Centre, Tahrir Street, Cairo, EGYPT
2. Medical Biochemistry, Medical Research and Clinical Studies Institute, National Research Centre, Tahrir Street, Cairo, EGYPT
3. Pharmacology, Medical Research and Clinical Studies Institute, National Research Centre, Tahrir Street, Cairo, EGYPT
4. Pathology, Medical Research and Clinical Studies Institute, National Research Centre, Tahrir Street, Cairo, EGYPT