Abstract
The combination of a frequency nonselective excitation suppression method (1331 sequence) with selective excitation followed by gradient-induced dephasing of water transverse magnetization yielded suppression ratios of greater than 10,000:1. The need for gradient preemphasis and correction of B0 field shifts is discussed. The suppression efficiency of this method compared favorably to results obtained using the CPMG spin-echo technique to observe metabolite resonances in a urine sample.
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