Comparison of analytical methods for urinary 4-pyridoxic acid.
D002851:Chromatography, High Pressure Liquid / Q000379:methods; D005470:Fluorometry / Q000379:methods; D006801:Humans; D007539:Isonicotinic Acids / Q000652:urine*; D011735:Pyridoxic Acid / Q000652:urine*
D007539:Isonicotinic Acids; D011735:Pyridoxic Acid