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. 2018 Dec 13;9:1803. doi: 10.3389/fphys.2018.01803

FIGURE 2.

FIGURE 2

Conventional setting. Changes in oxygen partial pressure (PO2) in the tissue culture chamber and the medium during application of intermittent hypoxia (IH). (A) Representative tracings of PO2 during IH in the tissue culture chamber (top panel) and the medium near the cells (bottom panel). (B) Expanded tracing of the PO2 changes during a single episode of IH. Reproduced from Yuan et al. (2004) with permission of the copyright owner.