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. 2013 Dec 18;8(12):e82739. doi: 10.1371/journal.pone.0082739

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© 2013 Peng 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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The scatterplot of correlation analysis of endothelial cell apoptotic index and FEV₁/FVC (r = −0.796, P<0.001) (panel A). The scatterplot of correlation analysis of endothelial cell apoptotic index and FEV₁/Pre (r = −0.827, P<0.001) (panel B). The scatterplot of correlation analysis of endothelial cell apoptotic index and smoking index (r = 0.703, P<0.001) (panel C).