1. Progesterone levels correlate with impending anestrus in the mare;King;J. Equine Vet Sci,1988
2. Spontaneously prolonged corpus luteum activity is a common route into anestrus in the mare;King;Proc 12th Equine Nutr and Physiol Symp,1991
3. Comparison of relationships between estradiol and folliculogenesis during the autumn transition and breeding season in the mare;Weedman;Proc 13th Mtg Equine Nutr and Physiol Soc.,1993
4. Changes in the hypothalamus-hypophyseal axis of mares associated with seasonal reproductive recrudescence;Silvia;Biol Reprod,1986
5. Follicular and gonadotropic changes during transition from ovulatory to anovulatory seasons;Snyder;J Reprod Fertil SuppL,1979