8Nakai O,Ookawa A,Yamaura L Long -term roentgenographic and functional changes in patients who were treated with wide fenestration for central lumbar stenosis[J].J Bone Joint surg Am,1991,73(8):1184-1191.
9Deyo RA,Rainville J,Kent DL.What can the history and physical examination tell us about low back pain[J]? JAMA,1992,268 (6):760-765.
