1. Clinical Pharmacy Program Faculty of Pharmacy University of Khartoum Khartoum Sudan
2. Department of Pharmacology Faculty of Pharmacy University of Khartoum Khartoum Sudan
3. Department of Pharmacognosy Faculty of Pharmacy University of Khartoum Khartoum Sudan
4. Department of Agricultural Extension and Rural Development Faculty of Agriculture University of Khartoum Khartoum Sudan
5. Department of Pharmacognosy College of Pharmacy King Saud University Riyadh Saudi Arabia