title: Gonadal influence on agonistic behavior in the male domestic rat.
mesh_terms: D000374:Aggression / Q000187:drug effects*; D000378:Agonistic Behavior / Q000187:drug effects*; D000818:Animals; D002369:Castration; D006120:Grooming; D006801:Humans; D007273:Injections, Intramuscular; D008297:Male; D009929:Organ Size; D011187:Posture; D012669:Seminal Vesicles / Q000033:anatomy & histology; D012930:Social Dominance; D013731:Territoriality; D013739:Testosterone / Q000008:administration & dosage / Q000494:pharmacology*
chemical_list: D013739:Testosterone