1. Classification and frequency of testicular tumours;Collins;Br J Urol,1964
2. The comparative morphogenesis of extragenital and gonadal teratoid tumors;Friedman;Cancer,1951
3. Retroperitoneal seminomas without evidence of primary growth;Veraguth;Ohcology,1970
4. Germinoma of the pineal: its identity with germinoma (“seminoma”) of the testis;Friedman;Cancer Res,1947
5. Malignant tumors developing in sacrococcygeal teratoma;Lisco;Ann Surg,1942