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. 2017 Dec 13;12(12):e0189405. doi: 10.1371/journal.pone.0189405

Fig 2. Gene expression pairwise variation (V) of the candidate reference genes calculated by geNorm.

Fig 2

The pairwise variation (Vn/n+1) was analyzed between the normalization factors NFn and NFn+1 by geNorm program to determine the optimal number of reference genes required for effective normalization of RT-qPCR data.