title: [Qualitative and quantitative determination of the extra-focal portion of the radiation from x-ray tubes].
authors: H
authors: H
authors: Eder
mesh_terms: D011786:Quality Control; D011859:Radiography / Q000295:instrumentation*
vernacular_title: Qualitative und quantitative Bestimmung des extrafokalen Strahlenteiles an Röntgenröhren.