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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 11. — Scheme of a multistage cascade impactor (A) [151] and single stage (B) [152]. The pictures adapted with permission.