title: [To the 50th anniversary of the USSR].
mesh_terms: D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D010336:Pathology / Q000266:history*; D010827:Physiology / Q000266:history*; D012425:Russia (Pre-1917); D014586:USSR
vernacular_title: K 50-letiiu SSS.