Methods:46 patients(49 knees)with osteoarthritis of knee were treated by arthroscopic debridement and intra-articular injection of sodium hyaluronate after the operation.
方法：对46例49膝的膝骨性关节炎患者行关节镜下关节清理术，术后关节腔内注射透明质酸钠。
Methods:46 patients(49 knees)with osteoarthritis of knee were treated by arthroscopic debridement and intra-articular injection of sodium hyaluronate after the operation.
方法：对46例49膝的膝骨性关节炎患者行关节镜下关节清理术，术后关节腔内注射透明质酸钠。
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