Biologically transparent illumination is a safe, fast, and simple technique for detecting the correct position of the nasogastric tube in surgical patients under general anesthesia

• Hirofumi Hirano,

  Roles Investigation, Writing – original draft

  Affiliation Department of Anesthesiology, International University of Health and Welfare Hospital, Tochigi, Japan

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• Hanayo Masaki,

  Roles Investigation

  Affiliation Department of Anesthesiology, International University of Health and Welfare Hospital, Tochigi, Japan

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• Teppei Kamada,

  Roles Investigation

  Affiliation Department of Anesthesiology, International University of Health and Welfare Hospital, Tochigi, Japan

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• Yoshie Taniguchi,

  Roles Investigation, Writing – review & editing

  Affiliation Department of Anesthesiology, International University of Health and Welfare Hospital, Tochigi, Japan

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• Eiji Masaki

  Roles Conceptualization, Data curation, Project administration, Writing – original draft, Writing – review & editing

  * E-mail: ejmasaki@gmail.com

  Affiliation Department of Anesthesiology, International University of Health and Welfare Hospital, Tochigi, Japan

  https://orcid.org/0000-0002-6543-6433

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