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FIG 7. Accumulated Cho and Cr measurements.
A, Scatter plots of Cho SI versus pO2.
B, Scatter plots of Cho/H2O SI versus pO2. The correlation coefficients are -0.43 and-0.45, respectively. The average water signal was used for normalizing the three samples darkened black boxes.
C, Box and whiskers plots of Cho SI for three data groups: pO2 < 10 mm Hg, pO2 
10 mm Hg, and muscle. The mean Cho values are annotated, and the data were not statistically different.
D, Box and whiskers plots of Cho:Cr ratios show statistically significant differentiation between muscle and cancer. The mean values are annotated.
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