Khalimova, K., M. Yakubova, and Y. Parpiev. “SIGNS OF THE INITIAL PERIOD OF MULTIPLE SCLEROSIS”. Toshkent Tibbiyot Akademiyasi Axborotnomasi, no. 2, July 2020, pp. 158-61, https://mail.journals.tma.uz/index.php/ttaa/article/view/172.