Chebotariova, L., A. Tretiakova, Y. Pedachenko, and E. Krasilenko. “Clinical and Neurophysiological Characteristics of Patients With Neurogenic Intermittent Claudication at the Lumbar Level Spinal Stenosis”. Ukrainian Neurosurgical Journal, no. 1, Mar. 2012, pp. 60-64, doi:10.25305/unj.57750.