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Schematic diagram of the 4D EP-JRESI pulse sequence with volume of interest (VOI) localized using PRESS with three RF pulses (90°, 180°, 180°). The indirect dimension (t1) was introduced before last 180° pulse. ADC: analog to digital converter; GS, GP and GF are the gradients for slice selection, phase encoding and frequency encoding respectively; t2: detected dimension; n: number of EPI bipolar readouts.
