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. 2018 Jan 25;23:4. doi: 10.1186/s11658-018-0071-7

Fig. 2.

Fig. 2

RAC value and MDA and TAOC levels in lung tissues of premature rats under hyperoxia. a RAC values in lung tissues of premature rats exposed to 21, 40, 60 or 95% oxygen (n = 6). b Changes in lung MDA levels (nmol/g) in premature rats exposed to 21, 40, 60 or 95% oxygen for 3, 7 and 14 days. c Changes in lung TAOC level (nmol/g) in premature rats exposed to 21, 40, 60 or 95% oxygen for 3, 7 and 14 days. *p < 0.05 vs. 3 days; p < 0.05 vs. 21% group for the same period of exposure