Effects of neonatal castration and testosterone on the rat's pup-killing behavior and activity.
D000367:Age Factors; D000374:Aggression; D000818:Animals; D000831:Animals, Newborn; D001522:Behavior, Animal / Q000187:drug effects; D002369:Castration; D005260:Female; D006234:Handling, Psychological; D006801:Humans; D008297:Male; D051381:Rats; D012737:Sex Factors; D013739:Testosterone / Q000494:pharmacology*
D013739:Testosterone