Prodan, Oleksandr, Aleksandr Chernyshov, Iryna Korzh, Oleg Perepechay, Volodymyr Podlipentsev, and Olena Karpinska. “The Effect of Concomitant Diseases on the Severity of Neurological Syndromes in Patients With Lumbar Spinal Stenosis”. ORTHOPAEDICS TRAUMATOLOGY and PROSTHETICS, no. 1 (October 24, 2010): 5–10. Accessed May 6, 2024. http://otp-journal.com.ua/article/view/14955.