title: Trace element analysis of urinary calculi using proton induced X-ray emission (PIXE).
mesh_terms: D006801:Humans; D011522:Protons; D013052:Spectrometry, X-Ray Emission; D014131:Trace Elements / Q000032:analysis*; D014527:Uric Acid / Q000032:analysis; D014545:Urinary Calculi
chemical_list: D011522:Protons; D014131:Trace Elements; D014527:Uric Acid