1. Urethral recess in male goats, sheep, cattle and swine;Garret;J Am Vet Med Assoc,1987
2. Ruminant urogenital system;Sisson,1975
3. Pelvic cavity and inguinal region, including urinary and genital organs;Budras,2003
4. Unilateral nephrectomy in 10 cattle;Vogel;Vet Surg,2011