Article Text
Letter
Parasternal block should be performed preoperatively, in response to Drs Seung Cheol Kim and Sibtain Anwar
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Footnotes
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Contributors Manuscript preparation: SB, CQ, FLS and CN. Manuscript approval: all authors.
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; internally peer reviewed.