1. Urinary Incontinence in Female from Ectopic Ureteral Orifices;Cristol;J.A.M.A.,1946
2. Ectopia of Ureteral Orifice (Vestibular) Without Incontinence: Report of Case;DeWeerd;Proc. Staff Meet., Mayo Clin.,1958
3. Supernumerary Kidney with Extravesical Ureteral Orifice;Fitzgerald;J. Urol.,1950
4. A New Operation for Ureteral Ectopia: Case Report;Gibson;J. Urol.,1957
5. Duplication of the Renal Pelvis and Ureter;Greene;S. Clin. North America,1944