1. Classification and frequency of testicular tumors: the pathology of testicular tumors;Collins;Br J Urol (Suppl),1964
2. The diagnosis of testicular tumors;Kaufman;Cancer,1967
3. Extratesticular chorioepithelioma in male probably primary in urinary bladder;Hyman;J Mt Sinai Hosp,1943
4. Primary chorioepithelioma of prostate with gynecomastia;Dvoracek;Cas Lek Cesk,1949
5. Extragonadal choriocarcinoma in the male;Holt;Postgrad Med J,1965