The following terms were included:
"Transkutane elektrische Nervenstimulation", "Transkutane Nervenstimulation", TENS, "transcutaneous electric nerve stimulation", "transcutaneous nerve stimulation", 経皮電気神経刺激, 経皮神経刺激
Federal Office for Radiation Protection (BfS),
Ressortforschungsberichte zur kerntechnischen Sicherheit und zum Strahlenschutz, BfS-RESFOR-140/18: 1-47
2018,
Fujimoto K, Angelone LM, Lucano E, Rajan SS, Iacono MI