The induction of prolonged vaginal di-oestrus in the rat by a low level of oestradiol benzoate.
D000818:Animals; D004958:Estradiol / Q000008:administration & dosage*; D004971:Estrus / Q000187:drug effects*; D005260:Female; D009640:Norethindrone / Q000494:pharmacology; D010060:Ovulation; D011247:Pregnancy; D051381:Rats; D014599:Uterus / Q000293:injuries; D014621:Vagina / Q000187:drug effects*
D004958:Estradiol; D009640:Norethindrone