Fig. 5From: LC–MS-based multivariate statistical analysis for the screening of potential thrombin/factor Xa inhibitors from Radix Salvia MiltiorrhizaChemometric analysis of five Danshen fractions. Score plot from PCA (a), Score plot (b) and S-plot (c) from OPLS-DA with a Hotelling’s 95% confidence ellipse. Marker a: purple, Marker b: blue, Marker c: yellow, Marker d: orangeBack to article page