Figure 5From: Calcium-deficiency assessment and biomarker identification by an integrated urinary metabonomics analysis Metabolic trajectory scores plots by principal component analysis (PCA) model derived from the urine of rats on low-calcium diet. Samples were collected during weeks 1 to 12. Black triangle: weeks 1 to 3; red star: weeks 4 to 8; blue circle: weeks 9 to 12. Comp, component. t[1], component 1; t[2], component 2.Back to article page