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. 2022 Jan 17;227(3):1099–1113. doi: 10.1007/s00429-021-02450-1

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Fig. 2 — a Example of the examined area from an unstained brain section containing the hippocampal formation, b the chemical map for the area shown in part a obtained for the absorption band at 1740 cm⁻¹, c 2D blend of pictures (a) and (b), d localization of pixels belonging to brain areas/cellular layers subjected to quantitative comparisons