Effectiveness of intra-articular injection of hyaluronic acid versus placebo in the treatment of early and mid-stage knee osteoarthritis: a Meta-analysis based on randomized, double-blind, controlled, clinical trials
Yang Wei, Chen Zehua, Yi Zhiyong, Huang Xudong, Han Qingmin, Zhang Ronghua
Chinese Journal of Tissue Engineering Research . 2021, (23): 3760 -3766 .  DOI: 10.12307/2021.051