1. Risk of multiple sclerosis related to age of migration to Israel;Alter;Arch. Neurol,1966
2. Migration and risk of multiple sclerosis;Alter;Neurology,1971
3. HLA and MHC: Genes, Molecules and Function;Apple,1996
4. Concordance in twins and recurrence in sibships in multiple sclerosis [letter];Anonymous;Lancet,1982
5. Multiple sclerosis in 54 twinships: concordance rate is independent of zygosity;Anonymous;French Research Group on Multiple Sclerosis [see comments]. Ann. Neurol.,1992