1. Undescended testes;Jones;Aust. Ped. J.,1966
2. The impalpable testis: a rational approach to management;Levitt;J. Urol.,1978
3. Impalpable testes: a review of 100 boys;Wright;J. Ped. Surg.,1986
4. Caldamone, A. A.: Management of the nonpalpable testis. Presented at annual meeting of American Urological Association, Toronto, Ontario, Canada, June 2-6, 1991.
5. Weiss, R. M.: Nonpalpable testis. Presented at annual meeting of American Urological Association, Toronto, Ontario, Canada, June 2-6, 1991.