Long-term effects of preweaning isolation from littermates in rats.
D000367:Age Factors; D000818:Animals; D000831:Animals, Newborn / Q000254:growth & development*; D001835:Body Weight; D006234:Handling, Psychological; D006339:Heart Rate; D006801:Humans; D007103:Immobilization; D008297:Male; D010437:Peptic Ulcer; D051381:Rats; D012919:Social Behavior; D012934:Social Isolation; D013315:Stress, Psychological; D013997:Time Factors; D014886:Weaning