| 1. | Azar FM.Evaluation and treatment of chronic medial collateral ligament injuries of the knee.Sports Med Arthrosc,2006,14(2):84-90. | 
				                                                        
				                                                            
				                                                                | 2. | Wijdicks CA,Griffith CJ,Johansen S,et al.Injuries to the medial collateral ligament and associated medial structures of the knee.J Bone Joint Surg (Am),2010,92(5):1266-1280. | 
				                                                        
				                                                            
				                                                                | 3. | Grant JA,Tannenbaum E,Miller BS,et al.Treatment of combined complete tears of the anterior cruciate and medial collateral ligaments.Arthroscopy,2012,28(1):110-122. | 
				                                                        
				                                                            
				                                                                | 4. | Fanelli GC,Harris JD.Surgical treatment of acute medial collateral ligament and posteromedial corner injuries of the knee.Sports Med Arthrosc,2006,14(2):78-83. | 
				                                                        
				                                                            
				                                                                | 5. | Koga H,Muneta T,Yagishita K,et al.Surgical management of grade 3 medial knee injuries combined with cruciate ligament injuries.Knee Surg Sports Traumatol Arthrosc,2012,20(1):88-94. | 
				                                                        
				                                                            
				                                                                | 6. | Yoshiya S,Kuroda R,Mizuno K,et al.Medial collateral ligament reconstruction using autogenous hamstring tendons:technique and results in initial cases.Am J Sports Med,2005,33(9):1380-1385. | 
				                                                        
				                                                            
				                                                                | 7. | Lind M,Jakobsen BW,Lund B,et al.Anatomical reconstruction of the medial collateral ligament and posteromedial corner of the knee in patients with chronic medial collateral ligament instability.Am J Sports Med,2009,37(6):1116-1122. | 
				                                                        
				                                                            
				                                                                | 8. | Kim SJ,Lee DH,Kim TE,et al.Concomitant reconstruction of the medial collateral and posterior oblique ligaments for medial instability of the knee.J Bone Joint Surg (Br),2008,90(10):1323-1327. | 
				                                                        
				                                                            
				                                                                | 9. | Marx RG,Hetsroni I.Surgical technique:medial collateral ligament reconstruction using Achilles allograft for combined knee ligament injury.Clin Orthop Relat Res,2012,470(3):798-805. | 
				                                                        
				                                                            
				                                                                | 10. | Lysholm J,Gillquist J.Evaluation of knee ligament surgery results with special emphasis on use of a scoring scale.Am J Sports Med,1982,10(3):150-154. | 
				                                                        
				                                                            
				                                                                | 11. | Anderson AF,Irrgang JJ,Kocher MS,et al.The International Knee Documentation Committee subjective knee evaluation form:normative data.Am J Sports Med,2006,34(1):128-135. | 
				                                                        
				                                                            
				                                                                | 12. | Feeley BT,Muller MS,Allen AA,et al.Biomechanical comparison of medial collateral ligament reconstructions using computer-assisted navigation.Am J Sports Med,2009,37(6):1123-1130. | 
				                                                        
				                                                            
				                                                                | 13. | Jones L,Bismil Q,Alyas F,et al.Persistent symptoms following non operative management in low grade MCL injury of the knee-The role of the deep MCL.Knee,2009,16(1):64-68. | 
				                                                        
				                                                            
				                                                                | 14. | Zhang H,Bai X,Sun Y,et al.Tibial inlay reconstruction of the medial collateral ligament using Achilles tendon allograft for the treatment of medial instability of the knee.Knee Surg Sports Traumatol Arthrosc,2013.[Epub ahead of print]. | 
				                                                        
				                                                            
				                                                                | 15. | Brand JC Jr,Pienkowski D,Steelage E,et al.Interference screw fixation strength of a quadrupled hamstring tendon graft is directly related to bone mineral density and insertion torque.Am J Sports Med,2000,28(5):705-710. | 
				                                                        
				                                                            
				                                                                | 16. | Fanelli GC,Tomaszewski DJ.Allograft use in the treatment of the multiple ligament injured knee.Sports Med Arthrosc,2007,15(3):139-148. | 
				                                                        
				                                                            
				                                                                | 17. | Feeley BT,Muller MS,Allen AA,et al.Isometry of medial collateral ligament reconstruction.Knee Surg Sports Traumatol Arthrosc,2009,17(9):1078-1082. |