1. Control of the estrous cycle in the mare;Lofstedt;Vet Clin North Am Equine Pract,1988
2. Endocrinology of the ovulatory season;Ginther,1992
3. Equine reproduction;McKinnon,1993
4. Estrous synchronization;Bergfelt,1999
5. Estrous synchronization;Bradecamp,2007