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. 2021 Jan 4;18(1):318. doi: 10.3390/ijerph18010318

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© 2021 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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Radar chart showing the keyword links visualization of the diabetes research output. Note: The threshold was set at ≥35 occurrences. Keywords shown in the same color are closely related and clustered together. The size of nodes and words represent weights; the bigger the nodes and words, the larger the weights. The distance between two nodes reflects the strengths between them; a shorter distance means stronger relations. The line between two keywords means that they appeared together; the thicker the line, the higher the co-occurrence.