1. Ash, J. E., Beck, M. R., Wilkes, J. D.: Tumors of the upper respiratory tract and ear. In: Atlas of tumor pathology, sect. IV, fasc. 12, p. 32?33. Washington D. C.: Armed Forces Institute of Pathology 1964
2. Assor, D., Taylor, J. N.: Inverted papilloma of the bladder. J. Urol. (Baltimore) 104, 715?717 (1970)
3. Blackard, C. E.: Surgical treatment of carcinoma of the bladder. In: Benign and malignant tumors of the urinary bladder, ed. Maltry, E., Jr., p. 112?153. New York: Medical Examination Publishing Co. 1971
4. Borski, A. A.: Hamartoma of the bladder. J. Urol. (Baltimore) 104, 718?719 (1970)
5. Borski, A. A.: Personal communication (1974)