Effects of Electroacupuncture on Opioid Consumption in Patients with Chronic Musculoskeletal Pain: A Multicenter Randomized Controlled Trial

Zhen Zheng, Stephen Gibson, Robert D. Helme, Yanyi Wang, David Shao-Chen Lu, Carolyn Arnold, Malcolm Hogg, Andrew A. Somogyi, Cliff Da Costa and Charlie Chang Li Xue