Free and Easy Wanderer Plus (FEWP), a polyherbal preparation, ameliorates PTSD-like behavior and cognitive impairments in stressed rats - Wang, Hua-Ning; Peng, Ye; Tan, Qing-Rong; Wang, Huai-Hai; Chen, Yun-Chun; Zhang, Rui-Guo; Wang, Zhi-Zhong; Guo, Li; Liu, Yong; Zhang, Zhang-Jin (Progress in Neuro-Psychopharmacology & Biological Psychiatry, 2009)