This showed a highly significant relationship between the MR and MS pixel intensities ( P value of 1.75*10 −9 ) but a marginal R‐squared—fraction of variance of MS intensities explained by the MR ones—of 0.11.
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Comparison of <sup>13</sup> C MRI of hyperpolarized [1-<sup>13</sup> C]pyruvate and lactate with the corresponding mass spectrometry images in a murine lymphoma model.
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