Meta-analysis on influence of transcutaneous electrical acupoint stimulation on recovery of gastrointestinal function in parturients after cesarean section 
Ding Shengshuang, Huang Weihua, Duan Rongrong, Lu Xiaoting, Zhang Jie, Qin Xiaoyu, Xue Jianjun
International Medicine and Health Guidance News . 2022, (21): 3014 -3019 .  DOI: 10.3760/cma.j.issn.1007-1245.2022.21.011