title: Annual and diurnal changes in plasma androgen and cortisol in adult male Squirrel monkeys (Saimiri sciureus) studied longitudinally.
mesh_terms: D000818:Animals; D002940:Circadian Rhythm; D013196:Dihydrotestosterone / Q000097:blood*; D000882:Haplorhini / Q000097:blood*; D006854:Hydrocortisone / Q000097:blood*; D008297:Male; D011485:Protein Binding; D011863:Radioimmunoassay; D012453:Saimiri / Q000097:blood*; D012621:Seasons; D013739:Testosterone / Q000097:blood*
chemical_list: D013196:Dihydrotestosterone; D013739:Testosterone; D006854:Hydrocortisone