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2. Chorioepithelioma in Male of Extragenital Origin;Erdmann;Urol. & Cutan. Rev.,1941
3. Extragenital Choriocarcinoma in Male;Laipply;Am. J. Path.,1945
4. Unusual Case of Teratoma Testis;Craver;J. A. M. A.,1936
5. Extragenital Chorioepithelioma in the Male;Shlimovitz;Surgery,1950