Review of controlled clinical trials on acupuncture versus sham acupuncture in Germany
Wei He, Yuanyuan Tong, Yingkai Zhao, Li Zhang, Hui Ben, Qingguang Qin, Feng Huang, Peijing Rong
Journal of Traditional Chinese Medicine . 2013, (03): 403 -407 .  DOI: 10.1016/s0254-6272(13)60187-9