Penile spines of the domestic cat: their endocrine-behavior relations.
D000818:Animals; D001522:Behavior, Animal; D002369:Castration; D002415:Cats; D005260:Female; D008297:Male; D010413:Penis / Q000033:anatomy & histology* / Q000187:drug effects* / Q000254:growth & development*; D012725:Sexual Behavior; D013739:Testosterone / Q000494:pharmacology*
D013739:Testosterone