1. The vulva and the vulvo-vaginal orifice and its relation to genital health of the thoroughbred mare;Caslick;Cornell Vet,1937
2. Infertility in the mare;Pycock,2001
3. Some observations and data in thoroughbred breeding;Du Plessis;J S Afr Vet Med Assoc,1964
4. Reproduction and genital diseases;Lieux,1972
5. Diseases of the vulva, vagina and cervix of the thoroughbred mare;Thornbury;NZ Vet J,1975