Kopchak, Oksana O., Tetiana A. Odintsova, and Tetiana O. Kobys. “Treatment of Multiple Sclerosis Patients With Sleep Disorders Associated With Anxiety”. Psychiatry, Neurology and Medical Psychology0, no. 13 (June 23, 2020). Accessed December 16, 2025. https://periodicals.karazin.ua/pnmp/article/view/15831.