The importance of chromatographic separation in LC/MS/MS quantitation of drugs in biological fluids : Detection, characterization, synthesis of a previously unknown low-level nitrone metabolite of a substance P antagonist - Euler, Danielle; Farrel, James T.; Hwang, Tsang-Lin.; Kwei, Gloria; Lynn, Kari.; Qin, Xue-Zhi.; Wu, Yunhui
Keywords: Antagonist; Liquid chromatography; Mammalia; Mass spectrometry; Neuropeptide; Peptide hormone; Substance P; Vertebrata