There is an error in Fig 3. The labeling is incorrect. Please see the correct Fig 3 here.
Fig 3. Streitberger placebo needle.
Reference
- 1.Yang M, Zheng D, Jin X, Tang H, Cao W, Ye Q, et al. The efficacy of acupuncture in relieving postoperative pain in patients with low simple anal fistula: Protocol of a prospective, randomised, controlled trial. PLoS One. 2025;20(1): e0317902. doi: 10.1371/journal.pone.0317902 [DOI] [PMC free article] [PubMed] [Google Scholar]

