title: Gonadal hormones stimulate ultrasound production by female hamsters.
mesh_terms: D000161:Acoustic Stimulation; D000818:Animals; D002369:Castration; D006224:Cricetinae; D004958:Estradiol / Q000494:pharmacology*; D005260:Female; D008297:Male; D011374:Progesterone / Q000494:pharmacology*; D012726:Sexual Behavior, Animal / Q000187:drug effects*; D013739:Testosterone / Q000494:pharmacology*; D014465:Ultrasonics; D014828:Vocalization, Animal / Q000187:drug effects*
chemical_list: D013739:Testosterone; D011374:Progesterone; D004958:Estradiol