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. 2019 Mar 21;24(6):1123. doi: 10.3390/molecules24061123

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Structure and bibliometric results of quercetin. (a) Chemical structure of quercetin. (b) 3D conformer of quercetin. (c) Co-occurrence map of quercetin. The figure is based on data in the Web of Science (WOS) database ranging from 2000 to 2017, and was drawn by CiteSpace. The diameter of a node represents the number of occurrences of keywords. The larger the diameter, the greater the number of appearances.