Efficacy and safety of transcutaneous electrical nerve stimulation (TENS) for acute and chronic pain in adults: a systematic review and meta-analysis of 381 studies (the meta-TENS study).
Mark I JohnsonCarole A PaleyGareth JonesMatthew R MulveyPriscilla Geraldine WittkopfPublished in: BMJ open (2022)
CRD42019125054.