9[4]Gronemeyer DH,Buschkamp H,Braun M,et al.Image-guided percutaneous laser disk decompression for herniated lumbar disks:a 4-year follow-up in 200 patients.J Clin Laser Med Surg,2003,21:131-138
10[6]Schmolke S,Kirsch L,Gosse F,et al.Risk evaluation of thermal injury to the cervical spine during intradiscal laser application in vitro.Photomed Laser Surg,2004,22:426-430