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. 2008 Mar;10(2):142–146. doi: 10.2353/jmoldx.2008.070123

Figure 1.

Figure 1

Follow-up QC monitoring of the 95%Donor/5%Recipient chimeric control on the established Levey-Jennings chart. The percentage of the two informative loci, FGA and D13S317, in the 95%D/5%R chimeric control from 50 consecutive runs was calculated as described (see Materials and Methods). Results were then plotted on a Levey-Jennings chart established from the QC parameters obtained in the initial evaluation study. Tick marks on the x axis represent successive days on which the assay was run. Circles indicate control values that exceeded 2 SDs.