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Fig. 6. In situ hybridization of Hegfl mRNA in uteri of ovariectomized hamster after various doses of estradiol-17ß (E2) or E2 plus ICI 18,2780 treatments. Photomicrographs of representative uterine sections are shown. Ovariectomized hamsters were killed 6 hours after an injection of either of the three doses of E2 (0.01, 0.1 and 1.0 µg/hamster) or E2 (1 mg/hamster) plus ICI 18,2780 (1 mg/hamster). Control ovariectomized hamsters received an injection of oil. le, luminal epithelium; myo, myometrium; s, stroma.