title: Ethology in the Soviet Union.
mesh_terms: D001519:Behavior; D001525:Behavioral Sciences; D005075:Biological Evolution; D003213:Conditioning, Psychological; D003431:Cross-Cultural Comparison; D004463:Ecology; D005010:Ethology; D007323:Instinct; D007391:International Cooperation; D009482:Neurophysiology; D010827:Physiology; D014586:USSR