title: HLA-DRB1*15, low infant sibling exposure, and multiple sclerosis gene-environment interaction.
authors.forename: Sreeram V
authors.initials: SV
authors.lastname: Ramagopalan
authors.forename: David A
authors.initials: DA
authors.lastname: Dyment
authors.forename: Gavin
authors.initials: G
authors.lastname: Giovannoni
authors.forename: A Dessa
authors.initials: AD
authors.lastname: Sadovnick
authors.forename: George C
authors.initials: GC
authors.lastname: Ebers
mesh_terms: D004777:Environment; D005787:Gene Frequency; D020022:Genetic Predisposition to Disease; D006684:HLA-DR Antigens / Q000235:genetics*; D059811:HLA-DRB1 Chains; D006801:Humans; D009103:Multiple Sclerosis / Q000235:genetics / Q000473:pathology / Q000523:psychology; D035781:Siblings
chemical_list: D006684:HLA-DR Antigens; D059811:HLA-DRB1 Chains; C507799:HLA-DRB1*15 antigen