Cerebral mechanism of puncturing at He-Mu point combination for functional dyspepsia: study protocol for a randomized controlled parallel trial oleh Shuai Yin, Yuan Chen, Du Lei, Rui-rui Sun, Ting-ting Ma, Pei-min Feng, Zhao-xuan He, Xue-ling Suo, Pei-hong Ma, Yu-zhu Qu, Ke Qiu, Miao-miao Jing, Qi-yong Gong, Fan-rong Liang, Jiao Chen, Fang Zeng