Bisphosphates for Osteoporosis: A Bibliometric Analysis of the Most Cited Articles

Figure 2

Keyword analysis. (a, c) Network visualization map showing cluster analysis of keywords associated with bisphosphates for osteoporosis. The larger the circle is, the more frequently the words are used. The curves between the nodes represent the co-occurrence of the two keywords. (b) Network visualization map showing the evolution of keyword frequency over time. Colors are assigned according to the average year in which keywords appeared in articles. Keywords in blue appeared earlier than those in yellow.

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