Brief periods of socialization and later behavior in the rat.
D000367:Age Factors; D000818:Animals; D001522:Behavior, Animal; D001835:Body Weight; D005106:Exploratory Behavior; D005260:Female; D006185:Habituation, Psychophysiologic; D009043:Motor Activity; D051381:Rats; D012919:Social Behavior; D012934:Social Isolation