Global trends of purinergic receptors and depression: A bibliometric analysis from 2003 to 2023

Figure 7 Keywords. A: Network map of keywords related to the research of purinergic receptors in depression. Each node represents a keyword, and the links between the keywords represent the cooperative relationship. The size of each node is proportional to the total number of publications, and purple nodes represent references with high centrality; B: Top 25 keywords with the strongest citation bursts. Red horizontal lines indicate the importance and attention of the references in the field. A longer red line length indicates greater popularity for reference.