A bidirectional two-sample Mendelian randomization study of immune responses against Epstein-Barr virus nuclear antigen 1 and multiple sclerosis in individuals of European ancestry. - Nova A; Di Caprio G; Gentilini D; Bernardinelli L; Bourguiba-Hachemi S; Vince N; Gourraud PA; Fazia T (Multiple sclerosis (Houndmills, Basingstoke, England), 2026)