Social separation in monkeys.
D000367:Age Factors; D000818:Animals; D003863:Depression; D000882:Haplorhini; D006801:Humans; D008251:Macaca; D008253:Macaca mulatta; D009769:Object Attachment; D010379:Peer Group; D010551:Personality; D012737:Sex Factors; D012934:Social Isolation; D013045:Species Specificity; D013997:Time Factors