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Spin echo image from a representative rat (a) and O2SatMRv maps under control condition (b), followed by moderate hypoxia (c), followed by another control condition (d), followed by severe hypoxia (e). Spin echo image (f) and O2SatMRv maps from a separate rat undergoing control condition (g) followed by hyperoxic hypercapnia (h). The color bar represents the scale for blood oxygenation (0 to 100%).
