The relative effects of testosterone and nortestosterone on the running activity of castrated male rats.
D000818:Animals; D001522:Behavior, Animal; D002369:Castration; D008297:Male; D009277:Nandrolone / Q000494:pharmacology*; D051381:Rats; D013737:Testis; D013739:Testosterone / Q000494:pharmacology*
D013739:Testosterone; D009277:Nandrolone