title: Determination of trace yttrium and other heavy metals in urine by x-ray fluorescence spectroscopy.
mesh_terms: D005453:Fluorescence; D006801:Humans; D008722:Methods; D013050:Spectrometry, Fluorescence; D013057:Spectrum Analysis; D014131:Trace Elements / Q000652:urine*; D015019:Yttrium / Q000652:urine*
chemical_list: D014131:Trace Elements; D015019:Yttrium