1. Investigations associated with the transplantation of bovine ova;Avery;J. Reprod. Fert.,1962
2. The use of radioactive artificial eggs in studies of egg transfer and transport in the female reproductive tract;Bennett,1961
3. Summary of factors affecting success rates in surgical embryo transfer;Betteridge,1977
4. Twin pregnancy in cattle established by non-surgical egg transfer;Boland;Bri. Vet. J.,1975
5. Induction of twin pregnancy in heifers using a simple non-surgical technique;Boland,1976