* Thiemann, A.K., Makhambeni, M.M.S. (2006). ‘Five cases of ovariohysterectomy in the donkey’. '''Proceedings of the 9th congress of the W.E.V.A.'' pp 487-489. | * Thiemann, A.K., Makhambeni, M.M.S. (2006). ‘Five cases of ovariohysterectomy in the donkey’. '''Proceedings of the 9th congress of the W.E.V.A.'' pp 487-489. |