title: Effect of reproductive state on circadian periodicity in the rat.
mesh_terms: D000818:Animals; D002940:Circadian Rhythm / Q000187:drug effects; D004958:Estradiol / Q000494:pharmacology; D004971:Estrus; D005260:Female; D009043:Motor Activity / Q000502:physiology; D011247:Pregnancy; D011555:Pseudopregnancy / Q000503:physiopathology; D051381:Rats; D013997:Time Factors
chemical_list: D004958:Estradiol