64
Participants
Start Date
April 28, 2019
Primary Completion Date
November 30, 2021
Study Completion Date
December 28, 2021
Biportal endoscopy
Biportal endoscopic spine surgery (BESS)
Microdiscectomy
Using microscope for discectomy
Chungnam National University Hospital, Daejeon
Seoul National University Bundang Hospital, Seongnam-si
Seoul National University Hospital
OTHER