Clinical value of CT-based patient-specific 3D preoperative design combined with conventional instruments in primary total knee arthroplasty: a propensity score-matched analysis. - Lei, Kai; Liu, Li Ming; Xiang, Yi; Chen, Xin; Fan, Hua Quan; Peng, Yang; Luo, Jiang Ming; Guo, Lin (Journal of Orthopaedic Surgery & Research, 2020)