A Bibliometric Analysis of Research on Bacterial Persisters

Figure 5

The cooccurrence network of author keywords occurred more than 2 times. (a) Mapping of keywords in the research. The keywords were divided into 4 groups as follows: “persisters in biofilms,” “clinical persistent infections,” “anti-persister treatment,” and “mechanism of persister formation.” The size of the node represented the frequency of occurrence. (b) Distribution of keywords according to the average appearance time. Keywords in purple appeared earlier than those in blue, green, and yellow, and keywords in red appeared the latest.

(a)

(b)