1. Ackerman's surgical pathology;Rosai, J.
2. Primary chorioncarcinoma of the urinary bladder in a male;Ainsworth, R.W.; Gresham, G.A.;Journal of Pathology and Bacteriology
3. Primary chorioepithelioma of the urinary bladder in a male;Weinberg, T.;Am J Pathol,1939
4. Extratesticular chorioepithelioma in a male probably primary in the urinary bladder;Hyman, A.; Leiter, H.E.;J Mt Sinai Hosp,1943
5. Choriocarcinoma and undifferentiated cell carcinoma of the bladder with gonadotropin secretion;Kawamura, J.; Rhinsho, K.; Taki, Y.;J Urol,1979