Therapeutic effect of Jinzhen oral liquid for hand foot and mouth disease: a randomized, multi-center, double-blind, placebo-controlled trial. oleh Jun Liu, Guo-Liang Zhang, Gui-Qin Huang, Li Li, Chun-Ping Li, Mei Wang, Xiao-Yan Liang, Di Xie, Chang-Ming Yang, Yan Li, Xiu-Rong Sun, Hong-Sen Zhang, Bai-Song Wan, Wei-Hua Zhang, Hao Yu, Ru-Yang Zhang, Ya-Nan Yu, Zhong Wang, Yong-Yan Wang