title: THE ORAL PROGESTATIONAL ACTIVITY OF THE 3-KETALS OF CERTAIN 17-ACETOXY- AND 17-ALKYLPROGESTERONES.
mesh_terms: D002626:Chemistry, Pharmaceutical; D004987:Ethers; D010600:Pharmacology; D011372:Progestins; D012106:Research
chemical_list: D004987:Ethers; D011372:Progestins
keywords: CHEMISTRY, PHARMACEUTICAL; EXPERIMENTAL LAB STUDY; PHARMACOLOGY; PROGESTATIONAL HORMONES