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. 2013 Jan 24;8(1):e53233. doi: 10.1371/journal.pone.0053233

Table 5. Cross-reactivity between proBNP and BNP.

Added peptide concentration, pmol/L Added peptide concentration, pmol/L Measured peptide concentration, pmol/L Measured peptide concentration, pmol/L
proBNP BNP proBNP assay total BNP assay
50 50 58 114
100 10 113 119
10 100 8 113