Research status and hotspots of tight junctions and colorectal cancer: A bibliometric and visualization analysis

Figure 6 A timeline for keywords. A: The node’s position on the horizontal axis represents the time when the keyword first appeared, and the node’s size is positively correlated with the number of keywords. The lines between the nodes represent the correlation between two keywords. A redder color indicates that the keyword first appeared closer to 2023. The clusters with redder colors and larger nodes included more keywords, demonstrating that the issue of this cluster was a hot topic in the field; B: The top 5 keywords with the strongest citation bursts. The blue bar represents the period in which the keyword appeared; the red bar represents the interval in which the keyword was found to burst, indicating the start year, the end year and the duration of the burst.