title: The effect of allopurinol therapy on coexistent gout and rheumatoid arthritis.
mesh_terms: D000493:Allopurinol / Q000627:therapeutic use*; D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D006073:Gout / Q000188:drug therapy*; D006801:Humans; D008297:Male; D008875:Middle Aged
chemical_list: D000493:Allopurinol