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Ergospirometric variables during incremental exercise to exhaustion in normoxia (FIo2=0.21, PIo2=141 mmHg) and hypoxia (FIo2=0.108, PIo2=74 mmHg), each point represents the mean and the error bars the standard error of the mean (n=11), only the points for which n=11 are depicted. *P<0.05 normoxia vs. hypoxia, same point.
