title: [Proceedings: New type of long-acting steroids: Synthesis and biological effect].
mesh_terms: D000818:Animals; D003692:Delayed-Action Preparations; D004958:Estradiol; D004967:Estrogens; D004971:Estrus / Q000187:drug effects; D005040:Ethynodiol Diacetate; D005260:Female; D011108:Polymers; D011247:Pregnancy; D051381:Rats; D013256:Steroids / Q000138:chemical synthesis / Q000494:pharmacology*; D013997:Time Factors
chemical_list: D003692:Delayed-Action Preparations; D004967:Estrogens; D011108:Polymers; D013256:Steroids; D004958:Estradiol; D005040:Ethynodiol Diacetate
vernacular_title: Ein neuer Typ lang-wirksamer Steroid-Präparate: Synthese und biologische Wirksamkeit.