Additional file 1.A screen snapshot demonstrating the statistical analysis using SigmaPlot 11.0. The detailed procedures are illustrated for Figure 2C. Exact P values were unavailable due to the software features. Format: PDF Size: 469KB Download file This file can be viewed with: Adobe Acrobat Reader Song et al. Chinese Medicine 2012 7:1 doi:10.1186/1749-8546-7-1 |