title: The twenty-four hour pattern of prolactin secretion in aging female rats.
mesh_terms: D000375:Aging; D000818:Animals; D002940:Circadian Rhythm; D004971:Estrus; D005260:Female; D011247:Pregnancy; D011388:Prolactin / Q000378:metabolism*; D011555:Pseudopregnancy; D051381:Rats
chemical_list: D011388:Prolactin