Fig. 1From: A Multi-feature Reproducibility Assessment of Mass Spectral Data in Clinical Proteomic Studiesa PC plot of first dimension (FPC plot) from cardiac LC-MS/MS iTRAQ data. b Difference in log(area) between replicates from all proteins vs. average of all log(area) from cardiac patient’s LC-MS/MS iTRAQ data. A unique symbol is used for each patientBack to article page