MEGA edited 3 ppm signal can be severely contaminated with macro-molecules. Using two distinct acquisition methods of MASE-sLASER and MEGA-sLASER both at TE = 68 ms at 7T, we show the feasibility of macromolecule free estimation of GABA with LCModel. The presence of GABA line at 2.28 ppm in the spectra acquired with both techniques plays a crucial role for this.
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