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. 2016 Nov 29;13(11):e1002188. doi: 10.1371/journal.pmed.1002188

Fig 2. Correlation structure of biomarkers, ages 20–84, NHANES 1999–2002.

Fig 2

The scale to the right of the figure indicates the strength of correlation, with darker and larger dots indicating stronger correlation. The 17 biomarker components are ordered by hierarchical clustering.