Simple working sheath for lumbar and lumbosacral spine: technical note
Deepak Kumar Jha, Jaskaran Singh Gosal, Jigish Ruparelia, Nitin Kumar, Tarunesh Sharma, Pradeep Kumar Bhatia, Pushpinder Khera
BMJ Innovations Apr 2021, 7 (2) 478-481; DOI: 10.1136/bmjinnov-2020-000558