NIKOLOVA, A.; MILANOV, I. Clinico-epidemiologic studies in multiple sclerosis. Movement Disorders Bulgaria, [S. l.], v. 17, n. 1, p. 25–30, 2020. Disponível em: https://multiplesclerosis-bg.com/journal/index.php/md/article/view/33. Acesso em: 14 oct. 2026.