Clinical Study
Foraminoplasty at the Tip or Base of the Superior Articular Process for Lateral Recess Stenosis in Percutaneous Endoscopic Lumbar Discectomy: A Multicenter, Retrospective, Controlled Study with 2-Year Follow-Up
Table 2
Changes of preoperative and postoperative VAS scores of low back pain .
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VAS: visual analogue scale. |