Effect of transcutaneous electrical acupoint stimulation on bone metabolism in patients with immobilisation after foot and ankle fracture surgery: a randomised controlled trial stu... oleh Bo Li, Qi Wang, Qin Yao, Ya-Jie Liu, Li Han, Shiqi Guo, Guozhen Zhao, Xue-ming Chen, Ying Xue, Xia-li OuYang, Jin-Yi Liu, Yue-ping Huang, Chun-hui Zhang, Baixiao Zhao