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Serum Levels of Choline-Containing Compounds Are Associated with Aerobic Fitness Level: The HUNT-Study

Figure 2

Visualization of the metabolic differences in MR spectra.

The green spectrum is from a high VO2max subject (green dots in PCA score plot) and the red spectrum is from the low VO2max (red dots in PCA score plot). VO2max: Maximal oxygen uptake.

Figure 2

doi: https://doi.org/10.1371/journal.pone.0042330.g002