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(A) Pulse sequence diagram of a single echo gradient refocused ZTE-BURST sequence, with the TE for each coherence indicated by the correspondingly coloured arrow. (B) Visualization of the evolution of the four coherences through the first and second train. The grey circle illustrates the nominal coverage in k-space as determined by the image resolution. K-space sampling is here illustrated in 2D for simplicity, while in practice it is performed in 3D.
