Effects of ovarian steroids on the norethisterone-blockade of ovulation in the rat.
D000818:Animals; D004958:Estradiol / Q000494:pharmacology*; D004971:Estrus; D005260:Female; D007031:Hypothalamus / Q000187:drug effects; D009640:Norethindrone / Q000037:antagonists & inhibitors*; D010060:Ovulation / Q000187:drug effects*; D010902:Pituitary Gland / Q000187:drug effects; D011247:Pregnancy; D011374:Progesterone / Q000494:pharmacology*; D051381:Rats
D011374:Progesterone; D004958:Estradiol; D009640:Norethindrone