Vasylovskyy, V.V., A.A. Kosinov, and M.V. Golubtsova. “Clinical Experience of the Use of the Complex Remedy Trylumin in the Management of Patients Who Have Suffered from Coronavirus Disease COVID-19 and Chronic Fatigue Syndrome on the Background of Secondary Immunodeficiency”. INTERNATIONAL NEUROLOGICAL JOURNAL 18, no. 1 (March 31, 2022): 35–42. Accessed July 6, 2022.