Meta-analysis of randomized trials | Efficacy and safety of transcutaneous electrical nerve stimulation (TENS) for acute and chronic pain in adults. 22 Feb, 2022 | 08:32h | UTC 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) – BMJ Open