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. 2012 May 2;6(Suppl 2):S1. doi: 10.1186/1752-153X-6-S2-S1

Figure 12.

Figure 12

Illustration of SOMs for QC (Quality Control) using case study 4. The distance of a sample to a U matrix of NOC samples is illustrated. On the left is an in-control sample and on the right an out of control sample.