Carcinosarcoma (malignant mixed mesodermal tumor) of the uterus: a Gynecologic Oncology Group pathologic study of 203 cases. - Silverberg,S.G.; Major,F.J.; Blessing,J.A.; Fetter,B.; Askin,F.B.; Liao,S.Y.; Miller,A. (International Journal of Gynecological Pathology, 1990)