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. 2022 Nov 16;12:19650. doi: 10.1038/s41598-022-21882-1

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© The Author(s) 2022, corrected publication 2022

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Unfixed sample MS1 that floated during the curing of the resin, and the parts of it removed during the polishing. (A) The scratches on the resin and the sample surface are visible. (B) Most scratches disappear thanks to the application of a drop of water and a coverslip over the sample, which creates an even surface.