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. Author manuscript; available in PMC: 2010 Jan 1.
Published in final edited form as: Respir Physiol Neurobiol. 2008 Nov 1;165(1):90–96. doi: 10.1016/j.resp.2008.10.013

Figure 4.

Figure 4

Exposure to chronic intermittent hypoxia (CIH) produced increases in heart rate above baseline that were evident during the dark cycle (top panel), when intermittent hypoxic cycles occurred, and also during the light cycle (bottom panel), when the animals were unperturbed. *P<0.05 vs. baseline value, # P<0.05 for CIH vs. NORM. Data points were computed as described in Figure 3.