1. Urethra;Reuter,2008
2. Tumors of the kidney, bladder, and related urinary structures;Murphy,2004
3. Urethral caruncle;Palmer;Surg Gynecol Obstet,1948
4. Neoplasms and caruncles of the female urethra;Marshall;Surg Gynecol Obstet,1960
5. Common lesions of the urethra in women;Burkland;Calif Med,1952