题目:Simultaneous determination of sugars and picrosides in Picrorhiza species using ultrasonic extraction and high-performance liquid chromatography with evaporative light scattering detection 作者:Pamita Bhandari, Neeraj Kumar, Bikram Singh, Vijay K. Kaul 来源:Journal of Chromatography A, Volume 1194, Issue 2, 20 June 2008, Pages 257-261