Effect of 4 weeks vs 8 weeks of acupuncture for knee osteoarthritis in China: protocol for a randomised controlled trial.
Ying YuCun-Zhi LiuXue-Zhou WangYa-Wei XiYi-Ming FuBao-Hong MiJian-Feng TuPublished in: BMJ open (2024)
Chinese Clinical Trials Registry (ChiCTR2300073383; https://www.chictr.org.cn/showproj.html?proj=199310).