5Yu Hua, Cao YunWang, Jiannong Ye. Differentiation of Swertia Mussotli Franch from Arian isiae Capillaris Herba by capillary electrophoresis with electrochemical detection[J]. J Pham Biam Anal, 2005, 39(1):60.
8Gao WH, Lin SY, Jia L, et al. Analysis of protoberine alkaloids in several herbal drugs and related medicinal preparations by non-aqueous capillary electrophoresis [J]. J Separ Sci, 2005, 28:92.