Hartard, Manfred, Mohamed Amine Fenneni, Stephan Scharla, Christian Hartard, Diana Hartard, Stephan Mueller, Gabriela Botta Mendez, and Helmi Ben Saad. “Electromagnetic Induction for Treatment of Unspecific Back Pain: A Prospective Randomized Sham-Controlled Clinical Trial”. Journal of Rehabilitation Medicine 55 (April 28, 2023): jrm00389. Accessed June 30, 2026. https://medicaljournalssweden.se/jrm/article/view/3487.