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. Author manuscript; available in PMC: 2022 Apr 1.
Published in final edited form as: Magn Reson Med. 2020 Oct 26:10.1002/mrm.28552. doi: 10.1002/mrm.28552

FIGURE 2.

FIGURE 2

Representative natural abundance H217O spectra summed over the brain and muscle ROIs in one CSI volume with: (A), lower spatial resolution (10 s acquisition averaging) and (B), higher spatial resolution (30 s acquisition averaging) protocol. Stacked displays of phase corrected spectra are shifted to the vertically and horizontally for visualization (Note, the H217O signal was heterogeneously affected in SNR because of the B1 sensitivity profile of the two 17O surface coils being used).