Electroacupuncture for acute postoperative pain during coughing after video-assisted thoracoscopic surgery: study protocol for a pilot randomized controlled trial. - Zhang, Dan-Tong; Shi, Guang-Xia; Jia, Jin-Ying; Tan, Feng-Wei; Qi, Yu; Liang, Wei; Zhao, Zhi-Jun; Yuan, Ping; Gao, Ya; Zhang, Guo-Chao; Liu, Xue-Hui; Yang, Jing-Wen; et al. (PLoS ONE, 2025)