STEPHEN M. SELTZER, M.D.; NEIL SMITHLINE, M.D.
To the editor: As practicing clinicians, we were delighted to see an article promising a simple convenient test to measure uric acid excretion (1). We were dismayed, however, by the authors' failure to compare their test to the standard one (24-h urine uric-acid excretion) and by their unsupported statement that their test is more physiologic than the standard one.
The 24-h urine excretion of uric acid is physiologic because it accurately reflects production and is clinically useful because it is a good predictor of renal stone formation (2). The authors do not supply any data as to whether their test
SELTZER SM, SMITHLINE N. Tests of Urinary Excretion of Uric Acid. Ann Intern Med. 1979;91:925–927. doi: 10.7326/0003-4819-91-6-925_3
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Published: Ann Intern Med. 1979;91(6):925-927.
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