6Lysholm J, Gillquist J. Evalution of knee ligament surgery results with special emphasis on use of a scoring scale[J]. Am J Sport Med, 1982,10(3) : 150-154.
7Lohmander IS, Englund PM, Dahl LL, et al. The long- term consequence of anterior cruciate ligament and menis- cus injuries: osteoarthritis [ J ]. Am J Sports Med, 2007,35 (10) : 1756-1769.
8Li G,Papannagari R,Li M,et al. Effect of posterior cruciate ligament deficiency on in vivo translation and rotation of the knee during weightbearing flexion [J]. Am J Sports Med, 2008,36 (3) : 474-479.
9Bispo Jr RZ, Kawano CT, Guedes AV. Chronic multiple knee ligament injuries: epidemiological analysis of more than one hundred cases [ J ]. Clinics (Sao Paulo), 2008, 63(1):3-8.
10Grassmayr MJ,Parker DA,Coolican MR,et al. Posterior cruciate ligament deficiency: biomechanical and biologi-cal consequences and the outcomes of conservative treat- ment. A systematic review[J]. J Sci Med Sport,2008,11 (5) :433-443.