Brain areas involved in acupuncture treatment on functional dyspepsia patients: A PET-CT study - Zeng, Fang; Song, Wen-Zhong; Liu, Xu-Guang; Xie, Hong-Jun; Tang, Yong; Shan, Bao-Ci; Liu, Zhao-Hui; Yu, Shu-Guang; Liang, Fan-Rong (Neuroscience Letters, 2009)