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. 2021 Jan 20;278(8):2891–2897. doi: 10.1007/s00405-020-06567-7

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© The Author(s) 2021

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Fig. 2 — Box and whisker plots showing change in TDI score (top left), threshold score (top right), discrimination score (bottom left) and identification score (bottom right) before and after treatment with intranasal sodium citrate (right) or no treatment (left). Error bars 5–95% interval