Quantitative Analysis of Anti-Emetic Principle in the Tubers of Pinellia ternata by Enzyme Immunoassay - Kurata, Kiyoshi; Tai, Takaaki; Yang, Ye; Kinoshita, Kaoru; Koyama, Kiyotaka; Takahashi, Kunio; Watanabe, Kazuo; Nunoura, Yoshiki (Planta Medica, 1998)