1. Tumors of the penis, urethra, scrotum and testis;Dean,1963
2. Tumours of the testis;Fergusson;Brit. J. Urol.,1962
3. Comparative morphogenesis of extragenital and gonadal teratoid tumors;Friedman;Cancer,1951
4. Testis tumors;Lewis,1949
5. Zur Frage der extragenitalen Chorionepitheliome beim Manne;Prym;Zentralbl. f. Allg. Path. u. Path. Anat.,1930