title: Urinary-tract stones resulting from the excretion of oxypurinol.
mesh_terms: D000493:Allopurinol / Q000009:adverse effects / Q000627:therapeutic use / Q000652:urine; D002648:Child; D003460:Crystallization; D006801:Humans; D008297:Male; D011720:Pyrazoles / Q000009:adverse effects / Q000627:therapeutic use / Q000652:urine*; D011743:Pyrimidines / Q000009:adverse effects / Q000627:therapeutic use / Q000652:urine*; D013055:Spectrophotometry, Infrared; D014545:Urinary Calculi / Q000139:chemically induced*; D014969:Xanthine Oxidase / Q000037:antagonists & inhibitors
chemical_list: D011720:Pyrazoles; D011743:Pyrimidines; D000493:Allopurinol; D014969:Xanthine Oxidase