On the quantitative determination of xanthines and uric acids in urine.
D001826:Body Fluids; D006801:Humans; D014527:Uric Acid / Q000652:urine*; D014970:Xanthines / Q000652:urine*
D014970:Xanthines; D014527:Uric Acid
URIC ACID/in urine; XANTHINES/in urine