Fig. 1From: 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 specimensPerformance of MammaTyper assay on serial dilutions of 3 breast cancer resection specimens. Filled symbols: Valid measurements. Unfilled symbols: Invalid measurementsBack to article page