title: Thymol preservative interferes with quantitation of serum uric acid by the direct acid ferric reduction method.
mesh_terms: D003124:Colorimetry / Q000379:methods; D007202:Indicators and Reagents; D013943:Thymol; D014527:Uric Acid / Q000097:blood*
chemical_list: D007202:Indicators and Reagents; D014527:Uric Acid; D013943:Thymol