https://orcid.org/0000-0001-6164-8191
Figures & data
Figure 1 Flow chart of study retrieval and selection process.
Notes: *Reviews, editorial materials, corrections, reprints, meeting abstracts, early accesses, book chapters, proceedings papers and letters were excluded from the results.
Figure 2 Number of total publications and citations by year.
Figure 3 World map of countries/regions based on research on herbal medicine for pain.
Table 1 Top 10 Countries/Regions with the Highest Number of Publications, Citation Score, and Centrality
Figure 4 Collaboration network between countries/regions.
Notes: The size of the yellow circle represents the number of publications (the larger the circle, the more the publications). A bigger purple circle indicates a higher betweenness centrality. Thickness of the line between two nodes represents the strength of the collaboration.
Table 2 Top 10 Most Productive and Active Institutions
Figure 5 Collaboration networks of the institutions.
Table 3 Top10 Most Productive and Cited Authors
Figure 6 Dual-map overlay of journals related to studies on herbal medicine for pain.
Table 4 Top 10 Most Productive Journals and Research Domain of Each Journal
Figure 7 Steam graph of the top 10 research areas.
Figure 8 Characteristics of intellectual structure. (A) A network of co-cited references about research on herbal medicine for pain. (B) Cluster view of co-cited references from publications between 1990 and 2019.
Table 5 The 10 Most Cited References in Each Phase
Figure 9 Top 40 keywords with citation bursts related to herbal medicine for pain from 1990 to 2019.
Notes: Time intervals are present as blue lines and the periods representing the burst keyword category are presented in red lines, indicating the beginning and end of the time interval of each burst.
