1. Urethra: Urological Pathology;Heburt,1952
2. The female bladder neck and urethra;Williams,1968
3. Problems in the management of ectopic ureteroceles;Williams;J. Urol.,1964
4. Anterior urethral diverticulum;Silk;J. Urol.,1969
5. Congenital diverticula in the male patient;Sweetser;J. Urol.,1967