Secondary literature of evidence-based medicine. On March 7, 2020, China Knowledge Network showed that evidence-based medicine published 2 19 1 article, which was downloaded 373,796 times and cited 8768 times. The comprehensive impact factor (version 20 19) is 0.448, (2065438). According to Wanfang Data Knowledge Service Platform in June 5438+July, 2020, evidence-based medicine published 1790 articles, 223 articles were funded by the Fund, 8004 articles were cited and downloaded 144904 times, and the impact factor of 20 17 was 0.7 [4