Article Text
Letter
Novel method of locating the foramen ovale: a wobbly chair with shaky legs
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Footnotes
Collaborators Laura-Judith Martínez, MD.
Contributors All authors contributed to the conduct and writing of the article.
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.
Patient consent for publication Not required.
Provenance and peer review Not commissioned; externally peer reviewed.