Spandel, Sylwia, Ewelina Bąk, Leszek Spandel, and Sylwia Krzemińska. 2017. “Influence of the Implantation of a Dynamic Inter-Spinous Stabilizer for a Functioning Condition and Pain Ailments of Patients With the Discopathy of Lumbar Spine”. Journal of Education, Health and Sport 7 (8):280-95. https://apcz.umk.pl/JEHS/article/view/4727.