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. 2020 Jul 2;13:1621–1627. doi: 10.2147/JPR.S253069

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© 2020 Zhang et al.

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Overlaid single pixel spectra from dermal regions of skin treated with V1% DNa (a), V1.16% DDEA (b), and V2.32% DDEA (c) formulations. The grey shaded bar highlights the region of the marker diclofenac peak.