1. Primary carcinoma of the male urethra;Kreutzmann;Arch. Surg.,1939
2. Primary carcinoma of the male urethra;McCrea;Urol. Surv.,1951
3. Carcinoma of the urethra in male patients;King;J. Urol.,1964
4. Primary carcinoma of the male urethra;Hotchkiss;J. Urol.,1954
5. Primary carcinoma of the male urethra;Mandler;J. Urol.,1966