Ontogeny of "aberrant" responses in the mating pattern of male guinea pigs.
D000818:Animals; D000831:Animals, Newborn / Q000254:growth & development*; D002369:Castration; D003307:Copulation; D005247:Feeding Behavior; D006168:Guinea Pigs; D008297:Male; D009043:Motor Activity; D012737:Sex Factors; D012726:Sexual Behavior, Animal / Q000187:drug effects; D012919:Social Behavior; D012934:Social Isolation; D013739:Testosterone / Q000494:pharmacology
D013739:Testosterone