1. Department of Clinical Pharmacy; School of Pharmacy; University of Gondar; Gondar Amhara Ethiopia
2. Department of Pharmacology; School of Pharmacy; University of Gondar; Gondar Amhara Ethiopia
3. Department of Pharmaceutical Chemistry; School of Pharmacy; university of Gondar; Gondar Amhara Ethiopia
4. Department of Pharmaceutics; School of Pharmacy; University of Gondar; Gondar Amhara Ethiopia