Screening and Structures Characterization of <i>α-</i> Glucosidase Inhibitors from Total Saponins of Ginseng Stems and Leaves by Ultrafiltration LC-MS <sup>n</sup>Zhongmei He, Lianxue Zhang, Guofeng Li et al.|CHINESE JOURNAL OF ANALYTICAL CHEMISTRY (CHINESE VERSION)|2013Cited by 6