Steroidal ethers: a comparison between the dose-response curves of ethynylestradiol and its 3-cyclopentyl ether in tests involving interaction with progesterone.
D000818:Animals; D001681:Biological Assay; D004967:Estrogens / Q000494:pharmacology*; D004997:Ethinyl Estradiol / Q000008:administration & dosage* / Q000494:pharmacology*; D005260:Female; D011247:Pregnancy; D011270:Pregnancy, Animal; D011374:Progesterone / Q000494:pharmacology*; D011817:Rabbits; D051381:Rats
D004967:Estrogens; D004997:Ethinyl Estradiol; D011374:Progesterone