Fig. 1From: The global state of research in nonsurgical treatment of knee osteoarthritis: a bibliometric and visualized studya The total number and RRIs of publications related to nonsurgical treatment of knee OA study. The blue bars mean the number of publications each year, and the black curve means the RRIs. b Distribution of nonsurgical treatment of knee OA research in world map. c The top 20 countries of total number of publications. d Model fitting curves of trends in global publicationsBack to article page