Comparison of the efficacy of saline, local anesthetics, and steroids in epidural and facet joint injections for the management of spinal pain: A systematic review of randomized controlled trials.

Surg Neurol Int · 2015 · PMC4431057 · PMID 26005584

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may be significantno p-value reported

The implications of these results may be significant in not only designing clinical trials, but also in managing patients.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.