Department of Pharmacology, School of Medicine, Addis Ababa University, P0 Box 1176, Addis Ababa, Ethiopia;
Department of Pharmacology, School of Medicine, Addis Ababa University, P0 Box 1176, Addis Ababa, Ethiopia;
Society for the Protection of Animals Abroad SPANA, School of Veterinary Medicine, Addis Ababa University, P0 Box 34, DebreZeit, Ethiopia;
Aklilu Lemma Institute of Pathobiology, Addis Ababa University, P0 Box 1176, Addis Ababa, Ethiopia;