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. 2019 Jul 17;36(9):2487–2492. doi: 10.1007/s12325-019-01028-y

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© The Author(s) 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 2 — PCFs of Respimat and pMDI products by life cycle stage. CO₂eq carbon dioxide equivalent, PCF product carbon footprint, pMDI pressurised metered-dose inhalers