1. Atlas of Urosurgical Anatomy,1993
2. The urethral caliber of female children with recurrent urinary tract infections;Immergut;J Urol,1968
3. The epithelium in the female urethra: a quantitative study;Carlile;J Urol,1987
4. The origin and fate of the urethral plate in man;Glenister;J Anat (Lond),1954
5. Urethral abnormalities;Firlit;Urol Clin North Am,1978