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. 2022 Dec 8;10:rbac099. doi: 10.1093/rb/rbac099

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© The Author(s) 2022. Published by Oxford University Press.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — Construction and operation of inhaler devices: pressurized metered dose inhaler (pMDI) [30], dry powder inhaler (DPI) [31], soft mist inhaler (SMI) [32], air jet nebulizer, ultrasonic nebulizer and vibrating mesh nebulizer [33]. All the pictures adapted with permission.