1. Ureteral polpys;Compere;J. Urol.,1958
2. Primary benign tumors of ureter: Review of literature and case report;Melicow;Surg., Gynec. & Obst.,1932
3. Silliphant, W. M.: Personal communication taken from files of Armed Forces Institute of Pathology, Washington, D. C.
4. Primary tumors of ureter;Twinem;J.A.M.A.,1957