Fig. 1From: Serum biomarkers of the calcium-deficient rats identified by metabolomics based on UPLC/Q-TOF MS/MSThe PCA and PLS-DA score plots of analysis of the LCG and NCG by EZ-info software. PCA score plot in ESI+ (a) and ESI− (b); PLS-DA score plot in ESI+ (c) and ESI− (d). Black triangles: LCG. Red Boxs: NCG; each data point stands for one sampleBack to article page