title: DIURNAL VARIATIONS IN MOTHER-INFANT SEPARATION AND SLEEP IN TWO SPECIES OF MACAQUE.
mesh_terms: D000818:Animals; D001522:Behavior, Animal; D002940:Circadian Rhythm; D000882:Haplorhini; D006801:Humans; D007223:Infant; D008251:Macaca; D009035:Mothers; D010507:Periodicity; D012106:Research; D012890:Sleep
keywords: BEHAVIOR, ANIMAL; EXPERIMENTAL LAB STUDY; MONKEYS; PERIODICITY; SLEEP