title: Specific filtration of the primary radiation in computed tomography.
abstract: Specific filtration with yttrium of the primary radiation on a Somatom 2 whole body scanner will improve the relationship absorbed dose/information in terms of contrast resolution while spatial resolution will be only marginally affected.
mesh_terms: D004735:Energy Transfer; D013440:Sulfides; D013679:Technology, Radiologic; D014057:Tomography, X-Ray Computed / Q000295:instrumentation*; D015019:Yttrium
chemical_list: D013440:Sulfides; C038559:yttrium oxide sulfide; D015019:Yttrium