title: [Isaak Efimovich El'piner (1899-1970)].
mesh_terms: D001703:Biophysics / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D012426:Russia; D012425:Russia (Pre-1917)
vernacular_title: Isaak Efimovich El'piner (1899-1970 gg.)