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. 2017 Aug 16;17:10. doi: 10.1186/s12907-017-0049-9

Fig. 1.

Fig. 1

The association between increasing storage time and Ct values of endogenous control HBB in lung tissue from FFPE and FF tissue samples. y-axis show Ct values for HBB gene in lung tissue and x-axis the age of lung tissue at DNA isolation time. The association between increasing storage time and Ct shown as r (spearman) = 0.73, p = 0.009. Empty circles are FF tissue samples. Filled circles represent FFPE tissue samples