Chinese herbal formula for postprandial distress syndrome: Study protocol of a double-blinded, randomized, placebo-controlled trial

Feng Yun Wang, Lidan ZHONG, Nan Kang, Liang Dai, Lin Lv, Li Qun Bian, Ting Chen, Bei Hua Zhang, Zhaoxiang BIAN, Xiao Ge Wang, En Lin Zhu, Xu Dong Tang^*

^*Corresponding author for this work