Lv D, Guo K-wen, Xu C, Huang M, Zheng S-jian, Ma X-H, Pan L-hong, Wang Q, Yang X-Z.  2017.  Essential oil from Siegesbeckia pubescens induces apoptosis through the mitochondrial pathway in human HepG2 cells. J. Huazhong Univ. Sci. Technol. [Med. Sci.] Journal of Huazhong University of Science and Technology [Medical Sciences]. 37(1):87-92.