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. 2014 May;7(1):1–11. doi: 10.15283/ijsc.2014.7.1.1

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Copyright ©2014, Korean Society for Stem Cell Research

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 4. — (A) Section in the lung of a rat in IPI stem cell therapy group showing three normal bronchioles (b) surrounded by infiltrating cells (arrowheads) and two vessels (v) with partial thickening of their walls. Note some congested vessels (c) (H&E, ×100). (B) Section in the lung of a rat in IPI stem cell therapy group showing a normal bronchiole (b) surrounded by infiltrating cells (arrowheads) and two vessels (v) with marked thickening of their walls (v) (H&E, ×100). (C) Section in the lung of a rat in IPI stem cell therapy group showing normal alveoli (a) and alveolar sacs (S) lined by multiple cells exhibiting flat nuclei (arrows). Note cellular infiltrates (arrowheads) and extravasated RBCs in multiple alveolar septa (^*) (H&E, ×400).