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1 Chaput de Saintonge DM, "Why don’t doctors use cusums" 1 : 120-121, 1974
2 Pao JL, "Unilateral biportal endoscopic decompression for degenerative lumbar canal stenosis" 6 : 438-446, 2020
3 박만규 ; 손상규 ; 박원욱 ; 최승현 ; 정대영 ; 김동한, "Unilateral Biportal Endoscopy for Decompression of Extraforaminal Stenosis at the Lumbosacral Junction: Surgical Techniques and Clinical Outcomes" 대한척추신경외과학회 18 (18): 871-879, 2021
4 Deyo RA, "Trends, major medical complications, and charges associated with surgery for lumbar spinal stenosis in older adults" 303 : 1259-1265, 2010
5 Anno M, "The incidence, clinical features, and a comparison between early and delayed onset of postoperative spinal epidural hematoma" 44 : 420-423, 2019
6 Fujiwara Y, "The impact of hypertension on the occurrence of postoperative spinal epidural hematoma following single level microscopic posterior lumbar decompression surgery in a single institute" 26 : 2606-2615, 2017
7 Wohl H, "The cusum plot : its utility in the analysis of clinical data" 296 : 1044-1045, 1977
8 Wu J, "Seizures after percutaneous endoscopic lumbar discectomy: a case report" 99 : e22470-, 2020
9 Harris JR, "Risk-adjusted analysis of early mortality after ruptured abdominal aortic aneurysm repair" 42 : 387-391, 2005
10 Kim Ju-Eun ; Choi Dae-Jung ; Park Eugene J., "Risk Factors and Options of Management for an Incidental Dural Tear in Biportal Endoscopic Spine Surgery" 대한척추외과학회 14 (14): 790-800, 2020
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25 Ahn Y, "Learning curve for interlaminar endoscopic lumbar discectomy : a systematic review" 150 : 93-100, 2021
26 Kim JE, "Learning curve and clinical outcome of biportal endoscopic-assisted lumbar interbody fusion" 2020 : 8815432-, 2020
27 Dae-Jung Choi ; Chang-Myong Choi ; Je-Tea Jung ; Sang-Jin Lee ; Yong-Sang Kim, "Learning Curve Associated with Complications in Biportal Endoscopic Spinal Surgery: Challenges and Strategies" 대한척추외과학회 10 (10): 624-629, 2016
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31 Chiu RG, "Endoscopic versus open laminectomy for lumbar spinal stenosis : an international, multiinstitutional analysis of outcomes and adverse events" 10 : 720-728, 2020
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33 박정훈 ; 장재원 ; 박우민 ; 박철웅, "Contralateral Keyhole Biportal Endoscopic Surgery for Ruptured Lumbar Herniated Disc: A Technical Feasibility and Early Clinical Outcomes" 대한척추신경외과학회 17 : 110-119, 2020
34 Heo DH, "Comparative analysis of three types of minimally invasive decompressive surgery for lumbar central stenosis : biportal endoscopy, uniportal endoscopy, and microsurgery" 46 : E9-, 2019
35 Kim SK, "Clinical comparison of unilateral biportal endoscopic technique versus open microdiscectomy for single-level lumbar discectomy : a multicenter, retrospective analysis" 13 : 22-, 2018
36 Ito Z, "Clinical comparison of unilateral biportal endoscopic laminectomy versus microendoscopic laminectomy for single-level laminectomy : a single-center, retrospective analysis" 148 : e581-e588, 2021
37 Min WK, "Clinical and radiological outcomes between biportal endoscopic decompression and microscopic decompression in lumbar spinal stenosis" 25 : 371-378, 2020
38 Taewook Kang, "Biportal endoscopic discectomy for high-grade migrated lumbar disc herniation" Journal of Neurosurgery Publishing Group (JNSPG) 33 (33): 360-365, 2020
39 송관수 ; 이철우 ; 문재곤, "Biportal Endoscopic Spinal Surgery for Bilateral Lumbar Foraminal Decompression by Switching Surgeon’s Position and Primary 2 Portals: A Report of 2 Cases With Technical Note" 대한척추신경외과학회 16 (16): 138-147, 2019
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41 Nowitzke AM, "Assessment of the learning curve for lumbar microendoscopic discectomy" 56 : 755-762, 2005
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