Fig. 6From: Critical Evaluation of Product Ion Selection and Spectral Correlation Analysis for Biomarker Screening Using Targeted Peptide Multiple Reaction MonitoringComparative analysis of three different search engines. The analyses involved 5,541 spectra generated by LC-MS/MS of batches of 12 synthetic peptides spiked into a complex biological sample. a, b Histograms of the score obtained for properly matched and incorrectly identified spectra, respectivelyBack to article page