[The "freedom reflex" of Ivan Petrovich Pavlov].
Samoĭlov
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VO
D000818:Animals; D003214:Conditioning, Classical / Q000502:physiology; D004285:Dogs; D049672:History, 19th Century; D049673:History, 20th Century; D010827:Physiology / Q000266:history; D012425:Russia (Pre-1917); D014586:USSR