| Institution: | Department of Surgery, Obstetrics and Gynaecology, Faculty of Veterinary Science, University of Khartoum, P.O. Box 32, Khartoum North, Sudan;*Department of Microbiology and Parasitology, Faculty of Veterinary Science, University of Khartoum, P.O. Box 32, Khartoum North, Sudan;†Department of Pathology, Faculty of Veterinary Science, University of Khartoum, P.O. Box 32, Khartoum North, Sudan;‡Department of Medicine Pharmacology and Toxicology, Faculty of Veterinary Science, University of Khartoum, P.O. Box 32, Khartoum North, Sudan |
