1. Multiple ovulations;Ginther,1979
2. Embryo reduction before Day 11 in mares with twin conceptuses;Ginther;J Anim Sci,1988
3. Some aspects of twin gestation in the mare;Vandeplassche;Can J Comp Med,1970
4. Multiple ovulation in the mare;Henry;Ztbl f Vet. Med A,,1982
5. Reproductive Biology in the Mare;Ginther,1992