1) Barbara, C. A., Fortune, D. W. and Bodey, A. S.: Uterine lavage in the diagnosis of endometrial malignancy and its precursors, Acta Cytol., 26: 135-140, 1982.
2) Gusberg, S. B. Precursors of corpus carcinoma.: Estrogens and adenomatous hyperplasia, Am. J. Obstet. Gynecol., 54: 905-927, 1947.
3) Hertig, T., Sommers, S. C. and Bengloff, H.: Genesis of endometrial carcinoma, III, carcinoma in situ, Cancer, 2: 964-971, 1949.
4) Long, M. E., Doko, F. and Taylor, H. C.: Nucleoli and nucleolar ribonucleic acid in non malignant and malignant human endometria, Am. J. Obstet. Gynecol., 75: 1002-1014, 1958.