title: [Lazar' Ruvimovich Balon (on his 70th birthday)].
mesh_terms: D049673:History, 20th Century; D012425:Russia (Pre-1917); D013515:Surgery, Oral / Q000266:history; D014586:USSR
vernacular_title: Lazar' Ruvimovich Balon (k 70-letiiu so dnia rozhdeniia).