1. Hinrichs K, Sertich PL, Palmer E, Kenney RM: Establishment and maintenance of pregnancy after embryo transfer in ovariectomized mares treated with progesterone. J Reprod Fertil 1987;80:395?401
2. Hinrichs K, Kenney RM: Effect of timing of progesterone administration on pregnancy rate after embryo transfer in ovariectomized mares. J Reprod Fertil 1987;Suppl 35: 439?443
3. Davies CJ, Antczak DF, Allen WR: Reproduction in mules: Embryo transfer using sterile recipients. Equine Vet J 1985;Suppl 3:63?67
4. Bowling AT, Millon L, Hughes JP: An update of chromosomal abnormalities in mares. J Reprod Fertil 1987;Suppl 35:149?155
5. Trommershausen-Smith A, Hughes JP, Neely DP: Cytogenetic and clinical findings in mares with gonadal dysgenesis. J Reprod Fertil 1979;Suppl 27:271?276