1. Medicolegal aspects of chorionepithelioma in the male;Hellwig;Am. J. Clin. Path.,1939
2. Choroid metastases in chorionepithelioma of the testicle;Godtfredsen;Acta Ophth.,1944
3. Choroidal chorionepithelioma secondary to teratoma of testicle;McDonald;Arch. Ophth.,1936
4. Augen Metastase eines Chorionepithelioma beim Manne;Reichling;Deutsche Ophth. Gesell., Heidelberg,1936
5. Choroidal metastasis of a testicular chorionepithelioma;Kambara;Arch. Ophth.,1949