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. 2019 Mar 25;9(1):2045894019837876. doi: 10.1177/2045894019837876

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© The Author(s) 2019

Creative Commons Non Commercial CC BY-NC: This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (http://www.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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Fig. 2. — (a) A significant increase in mPAP is seen in neonatal calves exposed to hypobaric hypoxia (n = 7–9). C, controls; H, hypoxic group. *P < 0.05 vs. controls. (b) Thin walled pulmonary arteries of varying sizes from normal neonatal calves. (c) Arteries from neonatal hypoxia groups show significant medial thickness and lumens in some arteries appear obliterated. (d) Pulmonary arteries from steers with Brisket disease also show significant medial wall thickening and occlusion of some arteries.