A COMPARISON OF RHESUS MONKEY AND GIBBON  RESPONSES TO UNFAMILIAR SITUATIONS.
D000818:Animals; D001522:Behavior, Animal; D000882:Haplorhini; D015186:Hominidae; D006922:Hylobates; D008253:Macaca mulatta; D012106:Research
APES; BEHAVIOR, ANIMAL; EXPERIMENTAL LAB STUDY; MONKEYS