Qualitative fingerprint and quantitative determination of caffeic acid in compound dandelion enema
LI Yi-lei, YAN Yuan, TAN Ya-fei, XU Zhong-yuan, CHEN Zhi-liang Department of Pharmacy, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
Journal of Southern Medical University . 2006, (10): 1503 -1505 .