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The response letter is available at https://doi.org/10.1007/s12028-023-01839-6. This article is related to the original article available at https://doi.org/10.1007/s12028-019-00853-x.
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Gioia, M., Marino, A.V. & De Luca, M. A Proposal for a New Protocol for Sonographic Assessment of the Optic Nerve Sheath Diameter: The CLOSED Protocol. Neurocrit Care 39, 748–749 (2023). https://doi.org/10.1007/s12028-023-01838-7
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DOI: https://doi.org/10.1007/s12028-023-01838-7