Fig. 3From: Molecular neuroscience at its “high”: bibliometric analysis of the most cited papers on endocannabinoid system, cannabis and cannabinoidsBubble map showing keywords listed by the 100 most-cited cannabis manuscripts. Keywords added by the authors and by Web of Science (KeyWords Plus) were analyzed and visualized by VOSviewer. There were 30 keywords that appeared in 5 or more manuscripts and hence included in the map. Each bubble represents a keyword. The bubble size indicates its appearance frequency. The bubble color indicates the averaged citation count received by manuscripts containing the keyword. If two keywords co-appeared in more manuscripts, the two bubbles are closer to each other. The lines indicate the 500 strongest links between the keywordsBack to article page