title: [Effect of progesterone on regulation of the sexual cycle in young and old rats with continuous estrus].
mesh_terms: D000367:Age Factors; D000818:Animals; D004971:Estrus; D005260:Female; D010060:Ovulation; D011247:Pregnancy; D011374:Progesterone / Q000494:pharmacology*; D051381:Rats; D012726:Sexual Behavior, Animal
chemical_list: D011374:Progesterone
vernacular_title: Vliianie progesterona na reguliatsiiu polovogo tsikla u moldykh i starykh krys s postianniĭ techkoĭ.