Bu fen xi guan jie zhi huan shu = Bu fen xi guan jie zhi huan shu/ Ren gong xi guan jie zhi huan shu qian bi du/ Ren gong xi guan jie zhi huan shu qian bi du / Ren ti jie pou quan shu = Niu jin mei guo wen xue bai ke quan shu = Yi yong jie pou quan shu = Bu fen xi guan jie zhi huan shu =: Partial knee arthroplasty/ Bu fen xi guan jie zhi huan shu/: Partial knee arthroplasty, Bu fen xi guan jie zhi huan shu =: Partial knee arthroplasty /