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Schematic of traceability to the primary World Health Organization (WHO) standard reference materials (1RM). The schematic depicts the manufactured lots of kit calibrators as tertiary reference materials (3RM) aligned to the World Health Organization primary reference materials (1RM) through a master lot of secondary standards (2RM) built using Armored RNA Quant technology. RT-qPCR, real-time quantitative RT-PCR.
