[Critical exposure time to estrogen for cornification of vaginal epithelium in spayed rays].
D000818:Animals; D002369:Castration; D004848:Epithelium / Q000187:drug effects; D004958:Estradiol / Q000494:pharmacology*; D005260:Female; D007633:Keratins; D051381:Rats; D013997:Time Factors; D014621:Vagina / Q000187:drug effects*
D004958:Estradiol; D007633:Keratins