title: [50th anniversary of the Bol'shaia Meditsinskaia Entsiklopediia].
mesh_terms: D004690:Encyclopedias as Topic; D049673:History, 20th Century; D014586:USSR; D014730:Veterinary Medicine
vernacular_title: 50 let Bol'shoĭ meditsinskoĭ éntsiklopedii.