title: The effect of constant illumination on the circadian rhythms of plasma thyrotropin and corticosterone and on the estrous cycle in the rat.
mesh_terms: D000818:Animals; D002940:Circadian Rhythm; D003345:Corticosterone / Q000097:blood*; D003624:Darkness; D004971:Estrus; D005260:Female; D008027:Light; D011247:Pregnancy; D051381:Rats; D013972:Thyrotropin / Q000097:blood*
chemical_list: D013972:Thyrotropin; D003345:Corticosterone