1. Abu-Seida, A.M., Ahmed, K.A., Torad, F.A., Marouf, S.A., 2015. Ultrasonographic and Histopathological Findings in Rams with Epididymo-Orchitis Caused by Brucella melitensis. Pakistan Veterinary Journal, 35(4), 456–460.
2. Al-Katib, W.A,, Dennis, S.M., 2007, Epididymal and testicular lesions in rams following experimental infection with Actinobacillus seminis. New Zealand Veterinary Journal, 55, 125–9.
3. Al-sobayil, F.A., Ahmed, A.F., 2007. Surgical treatment for different forms of hernias in sheep and goats. Journal of Veterinary Science, 8, 185–191.
4. Alton, G.G., 1985. The epidemiology of Brucella melitensis in sheep and goats, In Verger, J. M., Plommet, M., eds: Brucella melitensis, a CEC seminar. Martinus Nijoff, Dordrecht-Boston-Lancaster, 187–196.
5. Alton, G.G., 1990. Brucella melitensis. In: “Animal brucellosis”. (Nielsen, K., Duncan, J. R., eds). CRC Press. Boston, pp: 383–409.