Inhibition of fertility in rats and hamsters by steroid implants.
D000818:Animals; D002784:Cholesterol / Q000494:pharmacology; D003338:Corpus Luteum; D006224:Cricetinae; D005260:Female; D005298:Fertility / Q000187:drug effects*; D007030:Hypothalamo-Hypophyseal System; D009929:Organ Size; D010053:Ovary; D010060:Ovulation; D011247:Pregnancy; D011270:Pregnancy, Animal; D011374:Progesterone / Q000494:pharmacology*; D051381:Rats; D013607:Tablets; D014599:Uterus / Q000601:surgery*
D013607:Tablets; D011374:Progesterone; D002784:Cholesterol