title: The immediate effect of HCG upon plasma testosterone levels in the bull.
mesh_terms: D000818:Animals; D002417:Cattle / Q000097:blood*; D006063:Chorionic Gonadotropin / Q000008:administration & dosage / Q000494:pharmacology*; D007273:Injections, Intramuscular / Q000662:veterinary; D007275:Injections, Intravenous / Q000662:veterinary; D008297:Male; D013739:Testosterone / Q000097:blood*
chemical_list: D006063:Chorionic Gonadotropin; D013739:Testosterone