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Posterior quadratus lumborum block or lumbar erector spinae plane block for postoperative analgesia management after lumbar spinal surgery: a randomized controlled trial

Crossref DOI link: https://doi.org/10.1007/s00586-026-10079-z

Published Online: 2026-06-12

Update policy: https://doi.org/10.1007/springer_crossmark_policy

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