1. Reproductive organs of the mare;Kranier,1993
2. Female genital anatomy and embryology;Roberts,1988
3. Embryonic death in mares;Ball,1993
4. Time of embryo transport through the mare oviduct;Freeman;Theriogenology,1991
5. Retention of unfertilized ova in uterine tubes of mare;Steffenhagen;Am J Vet Res,1972