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. 2017 Oct 3;46(Database issue):D121–D126. doi: 10.1093/nar/gkx875

Figure 1.

Figure 1.

Cumulative numbers of relevant publications on internal control genes from 2004∼2016. All statistics were extracted from NCBI PubMed by using the search terms: (‘internal control genes’ OR ‘reference genes’) AND (‘qPCR’ OR ‘qRT-PCR’) occurring in Title/Abstract.