1. Clinical and experimental observations on reproduction in the mare;Day;J. Agric. Sci.,1940
2. Estrus, ovulation and related phenomena in the mare;Andrew;Missouri Agric. Exper. Sta. Bull.,1941
3. The practice of equine stud medicine;Rossdale,1974
4. Relationship of Endometrial Biopsy and other management factors on fertility of Broodmares;Shideler;J. Equine Vet. Sci.,1983
5. Cyclic and pathological changes of the mare endometrium as detected by biopsy with a note on early embryonic death;Kenney;J. Am. Vet. Med. Assoc.,1978