1. Enuresis caused by supernumerary ureter with extra vesical termination;Albrecht;Munchen med. Wchnschr.,1931
2. Ectopic ureter in female;Alt;Jour. Urol.,1934
3. Urethral ectopic ureter from hydronephrotic half of double kidney;Ballenger;Jour. Amer. Med. Assoc.,1930
4. Extravesical opening of supernumerary ureter; case;Bouchard-Potocki;Jour, d’urol.,1935
5. Ectopia;Bridge;Med. Jour. Australia,1933