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. Author manuscript; available in PMC: 2014 Jan 1.
Published in final edited form as: Respir Physiol Neurobiol. 2012 Jun 8;185(1):156–169. doi: 10.1016/j.resp.2012.05.026

Fig. 3.

Fig. 3

Postnatal trends of metabolic rate (V̇O2 and V̇CO2) (A and B) and V̇E/V̇O2 and V̇E/V̇CO2 ratios (C and D) in hypoxia as compared to normoxia in rats from P0 to P21. Normoxic values were adjusted to 1 for comparison. Tukey’s tests comparing one age group with its immediately adjacent younger age group indicated that P13 was the only time point in the entire 3 postnatal weeks that a day-to-day significance was found (*P < 0.05; **P < 0.01; ***P < 0.001). See text for details. (Modified from Liu et al., 2009).