The effect of a single injection of norethindrone, with or without oestrogen, on ovulation in the rat.
D000818:Animals; D003864:Depression, Chemical; D004958:Estradiol / Q000494:pharmacology*; D004971:Estrus; D005260:Female; D007031:Hypothalamus / Q000502:physiology; D009640:Norethindrone / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D010060:Ovulation / Q000187:drug effects*; D011247:Pregnancy; D051381:Rats; D013997:Time Factors
D004958:Estradiol; D009640:Norethindrone