Kolyada, T., Negreba, T., Tupotilov, O., Bilozorov, O., Zelenska, A., Kolyada, O., Shvydka, O. and Belyavtseva, O. 2019. Disease-associated HLA-DR polymorphism, clinical and immunological characteristics of multiple sclerosis patients in the northeastern region of Ukraine. Annals of Mechnikov’s Institute. 4 (Dec. 2019), 21–25.