title: Situational conditional reflexes. Physiologic studies of the higher nervous activity of freely moving animals: P. S. Kupalov.
mesh_terms: D000818:Animals; D003214:Conditioning, Classical / Q000502:physiology*; D004285:Dogs; D006613:Higher Nervous Activity; D049673:History, 20th Century; D009482:Neurophysiology / Q000266:history*; D014586:USSR