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. 2007 Jan 25;141(2):225–228. doi: 10.1016/j.jviromet.2006.12.010

Fig. 1.

Fig. 1

Detection of influenza A and B amplicons by hemi-nested and reference RT-PCR at limiting dilution of positive control plasmids containing the target sequences as the insert (influenza A plasmid concentration = 5 × 1010 copie/ml; influenza B plasmid concentration = 2.5 × 1011 copie/ml).