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Hemotoxylin and eosin-stained sections of rat uteri, illustrating epthelial lining cells, obtained from ovariectomized rats treated for 35 days with vehicle (A), ethynyl estradiol (0.1 mg/kg per day; B), raloxifene (1.0 mg/kg per day; C), tamoxifen (1.0 mg/kg per day; D), compound 3 (1.0 mg/kg/per day; E), or compound 2 (1.0 mg/kg per day; F). Magnification is at 128×.
