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. 2017 Dec 19;15:218. doi: 10.1186/s12916-017-0976-4

Fig. 1.

Fig. 1

Correlation matrix of covariates with lipid biomarkers in the EPIC–Heidelberg subcohort (n = 2739). Red depicts negative correlation, blue depicts positive correlation; the darker the shade the stronger the correlation. apo apolipoprotein, HDL high-density lipoprotein, Lp(a) lipoprotein a, TC total cholesterol, TG triglycerides