Studies on the Hepatocyte Protective Activity and the Structure-Activity Relationships of Quinic Acid and Caffeic Acid Derivatives from the Flower Buds of Lonicera bournei - Xiang, Ting; Xiong, Quan-Bo; Ketut, Adnyana I; Tezuka, Yasuhiro; Nagaoka, Takema; Wu, Li-Jun; Kadota, Shigetoshi (Planta Medica, 2001)