1. Dixon F. J., Moore R. A., Tumors of the male sex organs. In: Atlas of Tumor Pathology. Washington: Armed Forces Institute of Pathology, sect. 8, fasc. 31b and 32, 1952.
2. Testicular seminoma. A review of 179 patients treated over a 50-year period;Martin;Arch. Surg.,1965
3. Tumors of testicle;Sauer;Surg., Gynec. & Obst.,1948
4. Management of testicular tumors;Staubitz;J.A.M.A.,1958
5. Some methods for strengthening the common χ2 tests;Cochran;Biometrics,1954