title: Sleep structure as a criterion of adaptation of monkeys to cosmic flight.
authors: First Moscow Medical Institute, Ministry of Health, USSR.
authors: V S
authors: VS
authors: Rotenberg
authors: G G
authors: GG
authors: Shlick
authors: M A
authors: MA
authors: Shirvinskaya
mesh_terms: D000222:Adaptation, Physiological; D000818:Animals; D004569:Electroencephalography; D000882:Haplorhini; D012890:Sleep / Q000502:physiology*; D012894:Sleep Stages / Q000502:physiology; D012895:Sleep, REM / Q000502:physiology; D013026:Space Flight