1. Venous drainage of the corpus cavernosum penis in impotent and normal bulls;Ashdown;J. Anat.,1974
2. Pathophysiology of impotence in the bull;Hudson;J. Am. Vet. Med. Assoc.,1972
3. Corpus cavernosum penis pressure and penile muscle activity in the bull during coitus;Beckett;Am. J. Vet. Res.,1974
4. Impotence in bulls due to vascular shunts from the corpus cavernosum penis;Young;J. Am. Vet. Med. Assoc.,1977
5. Successful surgical repair of a vascular shunt of the corpus cavernosum penis and penile fibropapillomata in a bull;Gilbert;J. S. Afr. Vet. Assoc.,1987