Figure 6.

Boxplots of the APOE ε4 copy number with CSF biomarkers in normal, MCI and AD subjects. The x-axis indicates number of APOE ε4 alleles and y-axis indicates CSF biomarkers. P-values are produced by the Kruskal-Wallis test.

Han et al. BMC Neurology 2010 10:90   doi:10.1186/1471-2377-10-90
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