title: Studies on steroidal enol ethers: an attempt to dissociate progestational from contraceptive activity in oral gestagens.
mesh_terms: D003270:Contraceptive Agents; D003276:Contraceptives, Oral / Q000494:pharmacology*; D004987:Ethers; D011374:Progesterone / Q000031:analogs & derivatives; D011372:Progestins; D013256:Steroids; D013739:Testosterone / Q000494:pharmacology*
chemical_list: D003270:Contraceptive Agents; D003276:Contraceptives, Oral; D004987:Ethers; D011372:Progestins; D013256:Steroids; D013739:Testosterone; D011374:Progesterone
keywords: CONTRACEPTIVES, ORAL/pharmacology; PROGESTERONE/related compounds; TESTOSTERONE/pharmacology