title: [Analysis of trace elements in biological samples by means of X-ray fluorescence induced with radioisotope sources. I. General remarks].
mesh_terms: D001826:Body Fluids / Q000032:analysis*; D011868:Radioisotopes; D013052:Spectrometry, X-Ray Emission; D014131:Trace Elements / Q000032:analysis*
chemical_list: D011868:Radioisotopes; D014131:Trace Elements
vernacular_title: Analisi di elementi in tracce in campioni biologici per mezzo della fluorescenza X indotta da sorgenti radioisotopiche. i - Generalita'.