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. 2015 Aug;12(8):1130–1137. doi: 10.1513/AnnalsATS.201410-470OC

Figure 1.

Figure 1.

Power output at volitional exhaustion in control subjects (red columns) and preterm subjects (black columns) breathing one of two oxygen concentrations (normoxia: FiO2 = 0.21; hypoxia: FiO2 = 0.12) while exercising on a cycling ergometer. FiO2 = fraction of inspired oxygen. Shown are means (adjusted for sex) and SE.