title: Xanthinuria: an additional case with demonstration of xanthine oxidase deficiency.
mesh_terms: D000328:Adult; D001706:Biopsy; D005260:Female; D006801:Humans; D007042:Hypoxanthines / Q000378:metabolism; D007413:Intestinal Mucosa / Q000201:enzymology* / Q000473:pathology; D007583:Jejunum / Q000201:enzymology; D008297:Male; D011686:Purine-Pyrimidine Metabolism, Inborn Errors / Q000201:enzymology* / Q000235:genetics / Q000473:pathology; D013053:Spectrophotometry; D014527:Uric Acid / Q000378:metabolism; D014969:Xanthine Oxidase / Q000378:metabolism*; D014970:Xanthines / Q000378:metabolism / Q000652:urine
chemical_list: D007042:Hypoxanthines; D014970:Xanthines; D014527:Uric Acid; D014969:Xanthine Oxidase