Chemical isotope labeling-assisted liquid chromatography-mass spectrometry enables sensitive and accurate determination of dipeptides and tripeptides in complex biological samples
a State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China
b Clinical Metabolomics Center, China Pharmaceutical University, Nanjing 211198, China
c Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
d College of Chinese Materia Medica and Food Engineering, Shanxi University of Chinese Medicine, Jinzhong 030619, China
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