1. Epithelial cancer of the mucous membrane of the urethra;Hutchinson;Trans Pathol Soc Lond,1862
2. Carcinoma of the male urethra;Kaplan;J Urol,1967
3. Primary carcinoma of the male urethra;McCrea;Urol Surv,1951
4. Anatomy of the Human Lymphatic System;Rouviere,1938
5. Experience with primary carcinoma of the male urethra;Ray;J Urol,1977