4Steiner M E,Hecker A T,Brown C H,et al.Anter cruciale Ligament graft fixation:Comparison of famstring and Palellar tendon grafts[J].J Sports Med(Am),1994,22:240 -246.
8Amis AA, Gupte CM, Bull AM, et al . Anatomy of the poste- rior crueiate ligament and the meniseofemoral ligaments[J]. Knee Surg Sports Traumatol Arthrosc ,2006 ,14(3) :257-263.
9Markolf KL, Jackson SR. Single versus double-bundle posteri or erueiate ligament reconstruction: effects of femoral tunnel separation[J]. Am J Sports Med ,2010 ,38(6):1141-1146.
10Voos JE, Mauro CS. Posterior cruciate ligament: anatomy, bi- omechanics, and outcomes[J]. Am J Sports Med , 2012 , 40 (1) :222-231.
