Yang, Bo, Feng-Ying Xu, Hai-jing Sun, Zui Zou, Xue-Yin Shi, Chang-Quan Ling, and Ling Tang. 2014. “DA-CHENG-QI DECOCTION, A TRADITIONAL CHINESE HERBAL FORMULA, FOR INTESTINAL OBSTRUCTION: SYSTEMATIC REVIEW AND META-ANALYSIS”. African Journal of Traditional, Complementary and Alternative Medicines 11 (4):101-19. https://journals.athmsi.org/index.php/ajtcam/article/view/2222.