Acupuncture for patients with mild hypertension: study protocol of an open-label multicenter randomized controlled trial. - Juan Li; Hui Zheng; Ling Zhao; Ying Li; Yan Zhang; Xiao-rong Chang; Rui-hui Wang; Jing Shi; Jin Cui; Yin-lan Huang; Xiang Li; Jie Chen; et al. (Trials, 2013)