2Daniel DM, Malcom LL, Lsse G, et al. Instrumented meas- urement of anterior laxity of the knee[ J]. J Bone Joint Surg Am,1985,67(5) :720 -726.
3Freedman KB, D'Amato M J, Nedeff DD, et al. Arthroscopic anterior cruciate ligament reconstruction: a meta analysis comparing patellar tendon and hamstring tendon autografts [J]. Am J Sports ned,2003,31(1) :2 -11.
4Bedi A, Raphael B, Maderazo A, et al. Transtibial versus an- teromedial portal drilling for anterior cruciate ligament re- construction:a cadaveric study of femoral tunnel length and obliquily. Arthmscopy,2010,26( 3 ) :342 - 350.
5Chhabra A, Kline A J, Nilles KM, et al. Tunnel expansion af- ter anterior cruciate ligament reconstructions with autoge- nous hamstrings : a comparison of the medial portal and tran- stibial techniques [ J ]. Arthroscopy, 2006,22 (10) : 1107 - 1112.
6Loh JC, Fukuda Y, Tsuda E, et al. Knee stability and graft function following anterior cruciate ligament reconstruction: comparison between 11 o'lock and 10 o'lock femoral tun- nel placement[ J]. Arthroscopy,2003,19 ( 3 ) :297 - 304.
7Zantop T, Diermann N, Schumacher T, et al. Anatomical and nonanatomical double-bundle anterior cruciate ligament re- construction[ J]. Am J Sports Med ,2008,36 (4) :678 - 85.
8Lee MC, Seong SC, Lee S, et al. Vertical femoral tunnel placement results in rotational knee laxity after anterior cru- ciate ligament reconstruction [ J ]. Arthroscopy, 2007, 23(7) :771 -778.
9Copp JM, Jasper LE, Belkoff SM, et al. The effect of oblique femoral tunnel placement on rotational constraint of the knee reconstructed using patellar tendon autografts [ J ]. Arthros- copy,2004,20 (3) :294 - 299.