Chambers J T, Lawrence R, MacLusky N, Eisenfield A, Schwartz P E
Am J Obstet Gynecol. 1987 Mar;156(3):728-9. doi: 10.1016/0002-9378(87)90087-1.
Both estrogen and progestin receptor concentrations vary in a predictive temporal pattern for breast cancer; in epithelial ovarian cancer a temporal rhythmic pattern is suggested for estrogen receptor concentration only. No pattern for either receptor is seen for endometrial cancer.