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Comparison of ultrasound-assistance versus traditional palpation method for placement of thoracic epidural catheters: a randomized controlled trial

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  • Contributors CA, MB, ZF and YG contributed to study conception and design. CA, MB, AM and ZF contributed to study conduct. CA and AM contributed to data analysis. All authors contributed to manuscript preparation. CA is the guarantor for the overall content.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

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