Novel direct detection method for quantitative determination of intracellular nucleoside triphosphates using weak anion exchange liquid chromatography/tandem mass spectrometry
Discovery Metabolism and Pharmacokinetics, Pharmaceutical Research Institute, Bristol-Myers Squibb Company, Experimental Station, E353/110A, P.O. Box 80353, Wilmington, DE 19880, USA. guoen.shi@bms.com