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The impact of thoracic paravertebral nerve block at different positions on pain relief in patients undergoing single-port thoracoscopic partial lung resection: study protocol for a randomized controlled trial

Crossref DOI link: https://doi.org/10.1186/s13063-025-09198-7

Published Online: 2026-02-03

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

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