Fig. 2From: Technical validation of an RT-qPCR in vitro diagnostic test system for the determination of breast cancer molecular subtypes by quantification of ERBB2, ESR1, PGR and MKI67 mRNA levels from formalin-fixed paraffin-embedded breast tumor specimensEffect of different commercial extraction kits on the performance of MammaTyper relative quantification of target genes, demonstrated at 8 samplesBack to article page