Tsagaankhuu, Sarnai, and Damdindorj Boldbaatar. “Persistent Post-COVID Syndrome (PPCS): Neurological Sequelae”. Central Asian Journal of Medical Sciences 8, no. 1 (April 1, 2022): 1–3. Accessed November 21, 2024. https://mongoliajol.info/index.php/CAJMS/article/view/3018.