[Retracted] Short-Term Postoperative Pain and Function of Unilateral Biportal Endoscopic Discectomy versus Percutaneous Endoscopic Lumbar Discectomy for Single-Segment Lumbar Disc Herniation: A Systematic Review and Meta-analysis

Figure 4

Forest plots for VAS of back pain at preoperative/postoperative 3 days/postoperative 30 days.