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. 2018 Jul 10;13:3975–3987. doi: 10.2147/IJN.S162306

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© 2018 Li et al. This work is published and licensed by Dove Medical Press Limited

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TEM image of the Mt-BH/CS NPs.

Abbreviations: BH, betaxolol hydrochloride; CS, chitosan; Mt, montmorillonite; NPs, nanoparticles; TEM, transmission electron microscopy.