Comparison of chemical profiles and effectiveness between Erxian decoction and mixtures of decoctions of its individual herbs: a novel approach for identification of the standard chemicals

H. P. Cheung, S. W. Wang, T. B. Ng, Y. B. Zhang, L. X. Lao, Z. J. Zhang, Y. Tong, F. W. S. Chung, S. C. W. Sze^*

^*Corresponding author for this work