Authors: Li, HX Ding, MY Lv, K Wei, Y Yu, JY

Citation: Hx. Li et al., Identification and determination of the active compounds in Gastrodia elata Blume by HPLC, J LIQ CHR R, 24(4), 2001, pp. 579-588

Authors: Li, HX Ding, MY Lv, K Yu, JY

Citation: Hx. Li et al., Determination of the active ingredients in Chuanxiong by HPLC, HPLC-MS, and EI-MS, J LIQ CHR R, 24(13), 2001, pp. 2017-2031

Authors: Li, HX Ding, MY Lv, K Yu, JY

Citation: Hx. Li et al., Separation and determination of ephedrine alkaloids and tetramethylpyrazine in Ephedra sinica Stapf by gas chromatography-mass spectrometry, J CHROM SCI, 39(9), 2001, pp. 370-374

Authors: Lv, K Li, HX Ding, MY

Citation: K. Lv et al., Analysis of tetramethylpyrazine in Ephedrae herba by gas chromatography-mass spectrometry and high-performance liquid chromatography, J CHROMAT A, 878(1), 2000, pp. 147-152