Imprinting: pre- and posttrial administration of pentobarbital and the approach response.
D000818:Animals; D001244:Association / Q000187:drug effects*; D001362:Avoidance Learning / Q000187:drug effects; D002645:Chickens; D007173:Imprinting, Psychological / Q000187:drug effects*; D010634:Phenobarbital / Q000494:pharmacology*; D011214:Practice, Psychological
D010634:Phenobarbital