1[1]Wenger M,Sapio N,Markwalder TM.Long term outcome in 32 consecutive patient after posterior internal fixation and fusion for Grade Ⅰ and Ⅱ isthmie spondylolist[J].J Neurosurg Sping,2005,2:289-297
2[2]杨克勤主编.脊柱疾病的临床与研究.北京:北京出版社,1993:653-654
3[3]Herroan MJ.Pizzutillo PD.Spondylolysis and Spondylolist in the child and adolescent:a new classification[J].Clin Orthop Relat Res,2005,434:46-54
