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. 2016 Feb 24;16:73. doi: 10.1186/s12906-016-1039-7

Fig. 1.

Fig. 1

Representative total ion current chromatograms of Gansui samples. a Raw Gansui in the positive-ion mode; b Vinegar-processed Gansui in the positive-ion mode; c Raw Gansui in the negative-ion mode; d Vinegar-processed Gansui in the negative-ion mode