Fig. 5From: Citation analysis of the 100 top-cited articles on discectomy via endoscopy since 2011 using alluvial diagrams: bibliometric analysisSankey diagrams depicting the association between article characteristics, including publication year, country of origin, article category, document type, and journal. More to less frequent characteristics are organized from top to bottom. (i) The links between characteristics represent the number of shared articles; only those with more than one article are shown, and only those with more than 39 article citations are displayed (density for the US = 0.73)Back to article page