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Fig. 1. CONSORT (Consolidated Standards of Reporting Trials) flow diagram of the patient inclusion process. TENS: transcutaneous electrical nerve stimulation, bTENS: burst TENS, cTENS: conventional TENS, pTENS: placebo TENS.
Korean J Pain 2021;34:217~228 https://doi.org/10.3344/kjp.2021.34.2.217
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