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Fig 4. Graph shows 3 ROC curves of maximum (max) Cho/Cho-n, maximum (max) Cho/Cr, and maximum (max) Cho/NAA ratios for differentiation of GBMs from aerobic abscesses. Az value area under the ROC curve is the highest (0.97) in the maximum Cho/Cho-n ratio and lowest (0.86) in the maximum Cho/NAA ratio.
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