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Fig. 2 | Trials

Fig. 2

From: Efficacy of silver needle therapy for the treatment of chronic nonspecific low back pain: a prospective, single-center, randomized, parallel-controlled clinical trial

Fig. 2

Silver needle therapy. a The silver needles were punctured into the interspinous ligament and paravertebral space in the area of the pain and/or the third lumbar transverse process for some patients with tenderness of the third lumbar transverse process. b The silver needles were connected to a special machine and heated for 25 min

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