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. 2019 Jan 28;10(2):81. doi: 10.1038/s41419-018-1247-9

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© The Author(s) 2019

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Fig. 3 — Lungs from different groups were collected and sections were prepared for pathological examination. Histopathological studies were performed with (a) hematoxylin and eosin (H&E) and (b) toluidine blue (TB) staining. The images were captured by a bright field microscope at ×400 magnification

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