Isolation and copulatory behavior of the male laboratory rat.
D000818:Animals; D002369:Castration; D003307:Copulation; D004542:Ejaculation / Q000187:drug effects; D008297:Male; D051381:Rats; D012930:Social Dominance; D012934:Social Isolation; D013739:Testosterone / Q000494:pharmacology
D013739:Testosterone