Sialylation Levels Influence Oligosaccharide Quantitation: Analyzing Response Variability Using High-pH Anion-Exchange Chromatography and Pulsed Amperometric DetectionByBrian W. Granda,Chandrashekar Ganesa,Robert J. MattalianoJune 15th 2003by Chandrashekar Ganesa, Genzyme Corporation, Brian W. Granda, and Robert J. Mattaliano