title: Diurnal variation in plasma concentrations of testosterone, 5 alpha-dihydrotestosterone, and corticosteroids in the Australian brush-tailed possum, Trichosurus vulpecula (Kerr).
mesh_terms: D000305:Adrenal Cortex Hormones / Q000097:blood*; D000818:Animals; D002369:Castration; D002940:Circadian Rhythm; D013196:Dihydrotestosterone / Q000097:blood*; D005260:Female; D008297:Male; D009893:Opossums / Q000097:blood*; D013739:Testosterone / Q000097:blood*
chemical_list: D000305:Adrenal Cortex Hormones; D013196:Dihydrotestosterone; D013739:Testosterone