I.K. Rustamova, J.A. Nazarova, and I.A. Abbosova. “Insomnia Disorders in Elderly Patients With Chronic Cerebral Ischemia on the Background of Neurovegetative Dysfunction”. International Scientific and Current Research Conferences, vol. 1, no. 01, Nov. 2021, pp. 188-92, https://orientalpublication.com/index.php/iscrc/article/view/226.