Bajad, Sunil U, Wenyun Lu, Elizabeth H Kimball, Jie Yuan, Celeste Peterson, and Joshua D Rabinowitz. (2006) 2006. “Separation and Quantitation of Water Soluble Cellular Metabolites by Hydrophilic Interaction Chromatography-Tandem Mass Spectrometry.”. J Chromatogr A 1125 (1): 76-88.