3Nakai O,Ookawa A,Yamura I. Long-term roentgenographic and functional changes who were treated with wide fenestration for central lumbar stenosis[J]. J bone Joint surg(Am),1991,73(8):1184-1191.
4Kambin Pan Savite MH Arthroscopic microdiscetomy:an altematire to open dise surery[J]. Med,2000,67(4):283-287.
5Sung Woo Roh,Daniel H,Alberto L,et al Endoscopic foraminotomy using MED system in cadaveric specimens[J]. Spine,2000,25: 260-264.
