title: [Tungsten aperture and condenser diaphragms in electron microscopy].
mesh_terms: D008854:Microscopy, Electron / Q000295:instrumentation*; D014414:Tungsten
chemical_list: D014414:Tungsten
vernacular_title: Vol'framovye aperturnye i kondensornye diafragmy v élektronnoĭ mikroskopii.