6Yeung AT, Tsou PM. Posterolateral endoscopic excision for lumbar disc herniation: Surgical technique, outcome, and complications in 307 consecutive cases. Spine (Phila Pa 1976), 2002, 27:722 - 731.
7Hoogland T, Schubert M, Miklitz B, et al. Transforam- inal posterolateral endoscopic discectomy with or with- out the combination of a low-dose chymopapain: a pro- spective randomized study in 280 consecutive cases. Spine, 2006, 31: E890- 897.
8Nellensteijn J, Ostelo R, Bartels R, et al. Transforam- inal endoscopic surgery for symptomatic lumbar disc herniations: a systematic review of the literature. Eur Spine J, 2010, 19:181 - 204.
9Yan DL, Pei FX, Li J, et al. Comparative study of PILF and TLIF treatment in adult degenerative spondylolisthe- sis. Eur Spine J, 2008, 17:1311 - 1136.
10Wang M, Zhou Y, Wang J, et al. A 10-year followup study on long-term clinical outcomes of lumbar microendosco- pie discectomy. J Neurol Surg A Cent Eur Neurosurg, 2012, 73:195 - 198.
