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  Indian J Med Microbiol
 

Figure 1: UHPLC-Q-TOF total ion current chromatogram of the extract of Coptis chinensis Franch. A: Negative mode; B: Positive mode

Figure 1: UHPLC-Q-TOF total ion current chromatogram of the extract of <i>Coptis chinensis </i>Franch. A: Negative mode; B: Positive mode