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FIG 3. a–d, Real part of the proton spectra from the PRESS boxes on the corresponding images in figure 2. The tumor spectrum in d is highlighted with a dashed shaded circle, and regions of elevated 2>Cho:Cr>1.3 are shaded. All spectra display the 4.0 to 0.5 ppm chemical shift range and are plotted on the same vertical scale, and each represents signal from a 1.5-cm3 voxel
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