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Chemical profiling of Scutellaria barbata by ultra high performance liquid chromatography coupled with hybrid quadrupole-orbitrap mass spectrometry 
Ru Li, Wei Song, Xue Qiao, Jia Liu, Hong Liang, Min Ye
Journal of Chinese Pharmaceutical Sciences . 2015, (10): 635 -646 .  DOI: 10.5246/jcps.2015.10.081