[50th anniversary of the publication of the first volume of the Great Medical Encyclopedia].
D004690:Encyclopedias as Topic; D049673:History, 20th Century; D011643:Publishing / Q000266:history; D014586:USSR
K 50-letiiu so dnia vykhoda v svet pervogo toma Bol'shoĭ meditsinskoĭ éntsiklopedii.