Fig. 7
From: The landscape of patellofemoral arthroplasty research: a bibliometric analysis
A World map distribution of the publishing countries. B Visualization of cooperative networks between countries (the colors represent different countries, the widths denote the number of publications, and the links show the international cooperation, with number of publications ≥ 3). C Visualization of collaborative networks between institutions (number of publications ≥ 3). D Collaborative network analysis among authors (number of publications ≥ 4)