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Results from blood injection in fiber track. A) Estimated vs. measured sO2 prior to (dashed) and following (solid) fluence correction of blood contained in a PE tube both before (blue) and after (red) blood injection. Overlaid PA and B-mode image data at 800 nm of 68% sO2 blood target (yellow arrow) (B) prior to and (C) following blood injection around optical fiber (green arrow).
