%0 Journal Article %T Endoscopic Treatment of Extraforaminal Entrapment of L5 Nerve Root (Far Out Syndrome) by Unilateral Biportal Endoscopic Approach: Technical Report and Preliminary Clinical Results %A Choon Keun Park %A Dong Hwa Heo %A Sagar Sharma %J Archive of "Neurospine". %D 2019 %R 10.14245/ns.1938026.013 %K Bertolotti syndrome %K Lumbosacral transitional vertebra %K Laminectomy %K Endoscopy %K Lumbar %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6449829/