The immunogenetics of multiple sclerosis. The frequency of HLA-alleles class 1 and 2 is lower in Southern Brazil than in the European population.

Werneck L C, Lorenzoni P J, Arndt R C, Kay C S K, Scola R H

Arq Neuropsiquiatr. 2016 Aug; 74(8):607-16. PMID: 27556370. Abstract