title: HLA-typing in multiple sclerosis sibling pairs.
mesh_terms: D004198:Disease Susceptibility; D008040:Genetic Linkage; D006680:HLA Antigens / Q000235:genetics*; D006801:Humans; D009103:Multiple Sclerosis / Q000175:diagnosis*; D009902:Optic Neuritis / Q000175:diagnosis / Q000235:genetics; D012306:Risk
chemical_list: D006680:HLA Antigens