Figure 1.

Regression model predicted wgaDNA concentrations and GCR by storage year. The predicted effect of the year of initial storage on the GCR in the three case-control studies (blue: 610k; green: Axiom; red: Omni19) are shown on the primary (left) y-axis. The secondary (right) y-axis shows the predicted wgaDNA concentration (purple line) over the year of initial storage.

Hollegaard et al. BMC Genetics 2011 12:58   doi:10.1186/1471-2156-12-58
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