1. Synchronous double cancers in the ovary and kidney-a case report;Myoga;Jpn Cancer Clin,1988
2. Multiple primary malignant tumors-a survey of the literature and a statistical study;Warrens;Am J Cancer,1932
3. Synchronous primary neoplasms of the female reproductive tract;Einer;Gynecol Oncol,1989
4. Two synchronous primary tumors of the ovary and kidney: a case report;Balat;Eur J Gynaecol Oncol,1996
5. Incidence of multiple primary cancers of the female breast and genital organs;Schottenfeld;J Natl Cancer Inst,1971