title: Blockade of ovulation by ergocornine in rats and its reversal by progesterone.
mesh_terms: D000818:Animals; D004873:Ergolines / Q000494:pharmacology*; D005260:Female; D008297:Male; D010060:Ovulation / Q000187:drug effects*; D011247:Pregnancy; D011374:Progesterone / Q000494:pharmacology*; D051381:Rats
chemical_list: D004873:Ergolines; D011374:Progesterone