Interactions between thrombin and natural products of Millettia nitita var. hirsutissima using capillary zone electrophoresis. Shuyu Zhang, Jun Cheng, Wenjing Chen, Xiaomei Ling, Yuying Zhao, Jie Feng, Cheng Xiang and Hong Liang, Journal of Chromatography B, Volume 877, Issue 32, 15 December 2009, pages 4107-4114, doi10.1016/j.jchromb.2009.10.033