Simultaneous Analysis of Seventeen Chemical Ingredients of Ligusticum chuanxiong by On-Line High Performance Liquid Chromatography-Diode Array Detector-Mass Spectrometry - Li, Song-Lin; Chan, Sunny Sun-Kin; Lin, Ge; Ling, Lei; Yan, Ru; Chung, Hoi-Sing; Tam, Yun-Kau (Planta Medica, 2003)