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In vivo MR spectra are dominated by signals from highly abundant metabolites. A: The 1H spectrum of the brain features a prominent water peak that overwhelms the metabolite signals. Pulse sequences are available that selectively suppress or excite specific frequencies. B: The inclusion of a water-suppression module selectively minimizes the 1H2O peak and enhances the detection of brain metabolites. tCr, creatine-CH3.
