Bello, A., M.A. Umaru, B.R. Alkali, M. Dalhatu, and M.A. Mahmud. 2013. “Vaginal and Uterine Prolapse in a 3-Year Old Ouda Ewe in Sokoto, Nigeria”. Health, Safety and Environment 1 (2):61-63. https://sjournals.com/index.php/hse/article/view/412.