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Variable anterior spread of local anesthetic after erector spinae plane block (ESPB): time to turn the spotlight on the ‘retro-SCTL space’

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  • Twitter @Sivakumar_SRK

  • Contributors RKS was involved with review of the literature, preparation of the manuscript, and preparation of the figure. MKK was involved with review of the literature, editing of the manuscript and is the guarantor.

  • Funding This work was locally funded by the Department of Anesthesia and Intensive Care, The Chinese University of Hong Kong, Faculty of Medicine, Prince of Wales Hospital, Shatin, New Territories, Hong Kong, SAR, China.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; internally peer reviewed.

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