1. Department of Animal Physiology and Pharmacology, Faculty of Sciences, University of Lome-Togo, Lome, Togo.
2. Department of Pharmaceuticals Sciences, Faculty of Sciences, University of Lome-Togo, Lome, Togo.
3. Department of Pathological Anatomy and Cytology, Faculty of Sciences, University of Lome-Togo, Lome, Togo.