Naka, A., Keilani, M., Loefler, S. and Crevenna, R. 2013. Does transcutaneous electrical nerve stimulation (TENS) have a clinically relevant analgesic effect on different pain conditions? A literature review. European Journal of Translational Myology. 23, 3 (Jul. 2013), 95–104. DOI:https://doi.org/10.4081/ejtm.2013.1779.