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. Author manuscript; available in PMC: 2014 Nov 4.
Published in final edited form as: IEEE J Transl Eng Health Med. 2013 Oct 16;1:1500210. doi: 10.1109/JTEHM.2013.2285916

Fig. 3.

Fig. 3

Histology: Images of H&E section of normoxic (a) vs. hyperoxic (b) lungs. After 48 hours of exposure, lungs show no evidence of neutrophilic infiltrates, pulmonary edema, or vascular smooth muscle thickening, which are characteristic of hyperoxic injury sustained after rat exposure for 60 hours or longer.