medical records were reviewed to ( 1 ) classify patients as either having or not having definite indications for allopurinol treatment , ( 2 ) determine whether physicians had ordered roentgenographic and laboratory tests for presence of monosodium urate crystals , uric acid excretion , and renal function , and ( 3 ) identify gout-associated risk factors and disease entities that could cause hyperuricemia .
C0002144
allopurinol
C0018099
gout