title: Measurement of spectra from diagnostic x-ray machines.
mesh_terms: D005857:Germanium; D008094:Lithium; D008982:Molybdenum; D011874:Radiometry; D012666:Semiconductors; D013679:Technology, Radiologic / Q000295:instrumentation*; D014414:Tungsten
chemical_list: D005857:Germanium; D008982:Molybdenum; D008094:Lithium; D014414:Tungsten