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. Author manuscript; available in PMC: 2010 Oct 1.
Published in final edited form as: Magn Reson Med. 2009 Oct;62(4):868–879. doi: 10.1002/mrm.22086

FIG. 7.

FIG. 7

Comparison of Cramér-Rao lower bounds (CRLBs) of brain metabolites and fast-relaxing macromolecules (MM) between 4T and 7T as a function of the number of transients. Number of subjects and number of spectra per subject are the same as in Fig. 6. Error bars = SD. Horizontal lines represent the CRLB achieved with NT = 128 at 4T.