title: 17-Hydroxycorticosteroid excretion rhythms in guinea pigs.
mesh_terms: D015065:17-Hydroxycorticosteroids / Q000652:urine*; D000818:Animals; D002940:Circadian Rhythm; D006168:Guinea Pigs; D007031:Hypothalamus / Q000502:physiology; D008027:Light; D008297:Male; D010507:Periodicity; D013238:Stereotaxic Techniques; D014556:Urine
chemical_list: D015065:17-Hydroxycorticosteroids