1. Gonorrhoea exclusively confined to accessory canaliculus of the penile raphe;Ginella;Dermosifilographo,1928
2. Gonorrhoea of accessory suburethral canals;Gougerot;Ann. d. mal. ven.,1933
3. Zylinderepithelzyste am Penis;Hajós;Deut. med. Wchnschr.,1926
4. The later development of the urethra in the male;Johnson;J. Urol.,1920
5. Diverticula and cysts of the urethra;Johnson;J. Urol.,1923