title: Reinstatement of estrous cycles in middle-aged spontaneously persistent estrous rats: importance of circulating prolactin and the resulting facilitative action of progesterone.
mesh_terms: D000375:Aging; D000818:Animals; D001971:Bromocriptine / Q000494:pharmacology; D004873:Ergolines / Q000494:pharmacology; D004971:Estrus / Q000187:drug effects*; D005260:Female; D007986:Luteinizing Hormone / Q000494:pharmacology*; D011247:Pregnancy; D011374:Progesterone / Q000502:physiology*; D011388:Prolactin / Q000378:metabolism*; D011555:Pseudopregnancy; D051381:Rats
chemical_list: D004873:Ergolines; D001971:Bromocriptine; D011374:Progesterone; D011388:Prolactin; D007986:Luteinizing Hormone