title: Testosterone stimulates ultrasound production by male hamsters.
mesh_terms: D000161:Acoustic Stimulation; D000818:Animals; D002369:Castration; D003380:Courtship; D006224:Cricetinae; D005260:Female; D008297:Male; D013739:Testosterone / Q000494:pharmacology*; D014465:Ultrasonics; D014828:Vocalization, Animal / Q000187:drug effects*
chemical_list: D013739:Testosterone