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. 2019 Dec 26;13:1753466619891529. doi: 10.1177/1753466619891529

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© The Author(s), 2019

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 3. — Change in World Health Organization (WHO) functional class in patients treated with pulmonary endarterectomy (PEA), balloon pulmonary angioplasty [(BPA) with or without medical therapy (MT)] and MT alone (riociguat/sildenafil).