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Zhong S, Huang H, Xie J, et al. Application of electroacupuncture for postoperative pain management after total knee arthroplasty: a study protocol for a single-blinded, randomised placebo-controlled trial. BMJ Open 2019;9:e026084. doi: 10.1136/bmjopen-2018-026084
This article was previously published with an error.
The statement ‘Lian-bo Xiao and Yue-lai Chen contributed equally to this paper.’ was missing in the paper.
