1) Delay BS, McGrath BE, Mindell ER. Observations on a retrieved patellar tendon autograft used to reconstruct the anterior cruciate ligament. A case report. J Bone Joint Surg Am 2002;84:1433-8.
2) Lee BI, Kwon SW, Kim JB, et al. Comparison of clinical results according to amount of preserved remnant in arthroscopic anterior cruciate ligament reconstruction using quadrupled hamstring graft. Arthroscopy 2008;24:560-8.
3) Bali K, Dhillon MS, Vasistha RK, et al. Efficacy of immunohistological methods in detecting functionally viable mechanoreceptors in the remnant stumps of injured anterior cruciate ligaments and its clinical importance. Knee Surg Sports Traumatol Arthrosc 2012;20:75-80.
4) Crain EH, Fithian DC, Paxton EW, et al. Variation in anterior cruciate ligament scar pattern:does the scar pattern affect anterior laxity in anterior cruciate ligament-deficient knees? Arthroscopy 2005;21:19-24.
5) Daniel DM, Akeson WH, O'Connor JJ. Knee Ligaments:Structure, Function, Injury and Repair. New York:Raven Press;1990. p.558.
6) Kondo E, Yasuda K, Katsura T, et al. Biomechanical and histological evaluations of the doubled semitendinosus tendon autograft after anterior cruciate ligament reconstruction in sheep. Am J Sports Med 2012;40:315-24.
7) Weiss M, Unterhauser FN, Weiler A. Crimp frequency is strongly correlated to myofibroblast density in the human anterior cruciate ligament and its autologous tendon grafts. Knee Surg Sports Traumatol Arthrosc 2012;20:889-95.