title: Inhibitory effect of ferrous ions on Warren assay of N-acetylneuraminic acid.
mesh_terms: D000818:Animals; D002498:Centrifugation; D003124:Colorimetry; D007501:Iron / Q000494:pharmacology*; D008722:Methods; D009438:Neuraminic Acids / Q000032:analysis* / Q000037:antagonists & inhibitors; D010504:Periodic Acid; D010772:Phosphotungstic Acid; D013552:Swine
chemical_list: D009438:Neuraminic Acids; D010504:Periodic Acid; D010772:Phosphotungstic Acid; D007501:Iron