Hussain Mohamad Awwad et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 957, 41-45 (2014-03-29)
We aimed at developing a method for the measurement of choline and its metabolites in whole blood (WB). After an extraction step, quantification of choline, betaine, and dimethylglycine (DMG) was performed using ultra performance liquid chromatography tandem mass spectrometry (UPLC-MS/MS).