Fig. 1From: Validation and utilization of an internally controlled multiplex Real-time RT-PCR assay for simultaneous detection of enteroviruses and enterovirus A71 associated with hand foot and mouth diseaseLinearity of the multiplex RT-PCR assay using 10-fold dilution series of plasmid DNA containing the PCR templates of EV (a) and EV-A71 (b), Cp = crossing pointBack to article page