Influence of posterior condylar offset and anteroposterior femorotibial translation on knee flexion after posterior cruciate-sacrificing self alignment bearing total knee arthroplasty [in Chinese] - Zhang, H; Lü, L; Zhang, Y; Xu, Y; Wang, W; Wei, B (Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi, 2011)