AUTHOR=Bian Zhiyuan , Wang Jiawei , Fang Fei , Yu Binyan , Shi Yan , Wan Yijia , Hong Mei , Ji Conghua , Shao Xiaomei , Liang Yi , Fang Jianqiao , Sun Jing TITLE=Study protocol for a randomized trial comparing two electroacupuncture waveforms for different severity groups of Bell palsy JOURNAL=Frontiers in Neurology VOLUME=15 YEAR=2024 URL=https://www.frontiersin.org/journals/neurology/articles/10.3389/fneur.2024.1471605 DOI=10.3389/fneur.2024.1471605 ISSN=1664-2295