title: Xanthinuria and hemochromatosis: follow-up.
mesh_terms: D005500:Follow-Up Studies; D006331:Heart Diseases / Q000209:etiology; D006432:Hemochromatosis / Q000150:complications* / Q000652:urine; D006801:Humans; D008297:Male; D008875:Middle Aged; D014970:Xanthines / Q000652:urine*
chemical_list: D014970:Xanthines