1. Apparent metastatic Chorioepithelioma without demonstrable primary chorionic malignancy in the uterus: Report of 3 cases; a new possible explanation of its occurrence;Acosta-Sison;Obstet. Cynecol.,1957
2. Metastatic choriocarcinoma without primary lesion;Arias;Obstet. Gynecol.,1959
3. Latent ectopic pulmonary choriocarcinoma associated with renal cell carcinoma;Bannayan;Am. J. Obstet. Gynecol.,1972
4. Choriocarcinoma in a postmenopausal nulligravida;Bazinet;Can. Med. Assoc J.,1970
5. Latent choriocarcinoma;Brown;Am. J. Cancer,1940