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. 2022 May 10;12(11):2613–2633. doi: 10.1007/s13346-022-01138-1

Fig. 4.

Fig. 4

Ultrasound-based transdermal therapies. Schematic of multi-transdermal techniques (MNs, ultrasound, and iontophoresis) for transdermal drug delivery (A-B). Dissolution mechanism by ultrasound (C) and predicted dissolution mechanism and ion direction (D). The figure was reproduced from ref. [83].

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