1. Transfer of ova between horses and donkeys;Allen,1972
2. Surgical and non-surgical egg transfer in horses;Allen;J. Reprod. Fertil.,1975
3. Retention of ova by the fallopian tube in mares;Betteridge;J. Reprod. Fertil.,1975
4. Embryo transfer in the horse;Allen,1982
5. Some aspects of equine embryo transfer;Douglas;J. Reprod. Fertil.,1982