Supplemental Digital Content is Available in the Text. In this systematic review and meta-analysis, ultrasound-guided lumbar medial branch blocks and facet joint injections were associated with significant risk of incorrect… Click to show full abstract
Supplemental Digital Content is Available in the Text. In this systematic review and meta-analysis, ultrasound-guided lumbar medial branch blocks and facet joint injections were associated with significant risk of incorrect needle placement.
               
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