title: A hitherto undescribed pigment found in human urinary uric acid stones.
mesh_terms: D002855:Chromatography, Thin Layer; D006801:Humans; D013058:Mass Spectrometry; D010860:Pigments, Biological / Q000032:analysis*; D014527:Uric Acid / Q000032:analysis*; D014545:Urinary Calculi
chemical_list: D010860:Pigments, Biological; D014527:Uric Acid