1. The relative frequency and age incidence of principal urologic diseases;Clark;J. Urol.,1967
2. A statistical review of malignant testicular tumors based on the experience of the Ontario Cancer Foundation Clinics, 1983-1961;MacKay;Canad. Med. Assoc. J.,1966
3. Primary bilateral germ cell testicular tumors;Arisizabal;Cancer,1978
4. Bilateral consecutive testicular neoplasms;Conick;U.S. Armed Forces Med. J.,1959
5. Current concepts in the management of the undescended testis;Fonkalsrud;Surg. Clin. North Am.,1970