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. 2019 Nov 7;2019:6492675. doi: 10.1155/2019/6492675

Table 1.

Classification of group of percutaneous endoscopic lumbar discectomy according to approach method.

Group Number Approach
Group A 100 Transforaminal (Inside-out)
Group B 100 Transforaminal (Outside-in)
Group C 100 Interlaminar