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Social network analysis (SNA) for 55 high-frequency MeSH terms/MeSH subheadings pertaining to DN-related studies published from 2016 to 2020. Nodes correspond to MeSH terms/MeSH subheadings, with node size and location being indicative of word centrality within the SNA. Edges correspond to connections between terms, with line thickness corresponding to the co-occurrence frequency of the indicated MeSH terms/MeSH subheading pairs.
