Effects of auditory stimulation and litter size upon subsequent emotional behavior in the rat.
D000161:Acoustic Stimulation; D000818:Animals; D000831:Animals, Newborn; D001307:Auditory Perception; D001522:Behavior, Animal; D001835:Body Weight; D004644:Emotions; D004777:Environment; D005106:Exploratory Behavior; D005260:Female; D006799:Housing, Animal; D008297:Male; D009425:Nesting Behavior; D051381:Rats; D014886:Weaning