Use and abuse of allopurinol.
D000368:Aged; D000493:Allopurinol / Q000008:administration & dosage* / Q000009:adverse effects / Q000378:metabolism; D004305:Dose-Response Relationship, Drug; D004363:Drug Utilization; D006801:Humans; D008875:Middle Aged
D000493:Allopurinol