[Suppression of ovulation with Anovlar Schering].
D004338:Drug Combinations; D004997:Ethinyl Estradiol; D009640:Norethindrone; D010060:Ovulation / Q000494:pharmacology*
D004338:Drug Combinations; C020416:norethindrone acetate, ethinyl estradiol, ferrous fumarate drug combination; D004997:Ethinyl Estradiol; D009640:Norethindrone
OVULATION/pharmacology