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To the editor regarding ‘Ultrasonography versus palpation for spinal anesthesia in obese parturients undergoing cesarean delivery: a randomized controlled trial’
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Contributors The author is responsible for the preparation of the article script and writing of all its content and review, as well as the selection of bibliographical references, their analysis and integration in the text.
Funding The author has 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.