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. 2014 Jun 12;2014:892797. doi: 10.1155/2014/892797

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Copyright © 2014 Xianxie Zhang et al.

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Representative BPI chromatograms. (a) Positive ion mode. (b) Negative ion mode. Some of identified constituents (1–10) are labeled in the BPI chromatogram, and the numbers correspond to Tables 3 and 4.