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. 2013 Jun 10;8(6):e65114. doi: 10.1371/journal.pone.0065114

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© 2013 Levy et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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CEC counts were significantly increased in irreversible and idiopathic PAH (iPAH). Effects of the group and their interaction on CEC variability were tested using ANOVA (***p = 0.0005 and **p = 0.01 for irreversible and idiopathic patients versus controls (reversible PAH), respectively.