Efficacy of electroacupuncture for the treatment of constipation in Parkinson's disease: study protocol for a multicentre randomised controlled trial.
Kunshan LiZhaoqin WangYiyi ChenLirong ShenZhongqiu LiYiwen WuCanxing YuanYan HuangLuyi WuChunhui BaoWei ZhangShifen XuHuangan WuPublished in: BMJ open (2019)
ChiCTR1900021053.