[Remembering Pavlov on the 50th anniversary of his death].
D049672:History, 19th Century; D049673:History, 20th Century; D009613:Nobel Prize; D011603:Psychophysiology / Q000266:history; D012425:Russia (Pre-1917); D014586:USSR
Megemlékezés Pavlovról, halála ötvenedik évfordulóján.