Fig. 4
From: Progress in osteoarthritis research by the National Natural Science Foundation of China
The publication situation of China and other countries in the field of OA (2010-2019). a The number of publications from China, the USA, the UK and Japan and the proportion funded by the NSFC, the NIH, UKRI and KAKENHI. b Comparison of the numbers of high-level publications among the top four countries. c The data of highly cited papers from different countries in the Web of Science
