title: The ability of HCG in the induction of spermination in toads devoid of an endogenous souce of gonadotropin.
mesh_terms: D000818:Animals; D001001:Anura; D006063:Chorionic Gonadotropin / Q000494:pharmacology*; D006062:Gonadotropins / Q000502:physiology; D007016:Hypophysectomy; D008297:Male; D013094:Spermatozoa; D013737:Testis / Q000187:drug effects / Q000502:physiology*
chemical_list: D006063:Chorionic Gonadotropin; D006062:Gonadotropins