1. Ovariectomy by colpotomy in mares;Colbern,1987
2. Current Therapy in Equine Medicine-E-Book;Robinson,2008
3. Urogenital surgery performed with the mare standing;Seabaugh;Vet Clin,2014
4. Bilateral laparoscopic ovariectomy in standing mares: 22 cases;Hanson;Vet Surg,1999
5. Effects of bilateral ovariectomy via colpotomy in mares: 23 cases (1984-1990);Hooper;J Am vet med assoc,1993