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pubmed:abstractText |
The renal excretion of uric acid is usually diminished in primary gout with respect to increased serum urate levels. To determine whether the renal excretion of uric acid precursors, hypoxanthine and xanthine, is also abnormal in primary gout, the concentrations of these purines were measured in plasma and 24-hour urine samples in normal subjects, in patients with primary gout and uric acid underexcretion, and in patients with enzyme deficiencies that are known to result in over-production of uric acid.
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