Fig. 2From: Diagnostic biomarker candidates for pulpitis revealed by bioinformatics analysis of merged microarray gene expression datasetsBox plot of data from 22 samples in the pooled dataset that were normalized. The X-axis presents samples from the dataset, and the Y-axis presents normalized intensity values. a Box plot showing the expression profiles of the pooled dataset before normalization; b Box plot showing the expression profiles of the pooled dataset after normalization using the SVA packageBack to article page