Several methods are available for the localization of high-resolution spectra. When the sample is a human subject, it may be difficult to realize a viable experimental protocol because the size and geometry of the subject often conflict with efficient probe design. In this paper a spectroscopic localization method is described which is based on the method of rotating frame imaging. A novel surface-coil probe has been developed so that this experiment can be performed on a large sample. 31P spectra from the thorax of a human subject are presented in which signals from liver and intercostal muscle are resolved. These data demonstrate that spatially resolved spectra of metabolites in vivo may be obtained in a time that is acceptable for patient examination.
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Styles et al. (1985) studied this question.
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