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Spectra of 2HG, GABA, Glu, Gln and NAA at a concentration ratio of 5:1:5:5:5, numerically calculated for (a) the 2HG-optimized triple refocusing, (b) PRESS TE = 97 ms (TE1 = 32 ms and TE2 = 65 ms), and (c) PRESS TE = 30 ms at 3T, are shown together with the sum spectra for each sequence. Spectra were broadened to NAA singlet linewidth of 5 Hz.
