1. A case of cancer of both testicles terminated favourably by the supervention of surgery;Livingstone;Edinburgh Med Surg,1805
2. Studies in malignant tumors of the testis; bilateral testicular cancer. Incidence, nature and bearing upon management of patient with single testicular cancer;Hamilton;Cancer Res,1942
3. Classification and frequency of testicular tumors;Collins;Br J Urol,1964
4. Bilateral germ cell tumors of the testis;Sokal;Br J Urol,1980
5. Synchronous germ cell tumors of the bilateral testis; report of a case and a review of the Japanese literature;Kawabe;Jpn J Clin Oncol,1981