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. 2022 May 26;35(10):e4771. doi: 10.1002/nbm.4771

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© 2022 The Authors. NMR in Biomedicine published by John Wiley & Sons Ltd.

This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Pulse sequence diagram used for the free induction decay–echo‐planar spectroscopic imaging (FID‐EPSI) acquisition. The sequence consists of variable power and optimized relaxation delays (VAPOR) water suppression and the trigger signal generated by spectrometer initialization of an external amplifier that drives the crusher coil, followed by the FID‐EPSI readout at 7 T. The duration of the lipid suppression gradient is 1.7 ms. The FID‐EPSI sampled 512 spectral points with a 2379 Hz spectral bandwidth and a 185 ms readout time