title: C2 Hypocomplementaemia in multiple sclerosis.
mesh_terms: D003175:Complement C2 / Q000172:deficiency*; D003165:Complement System Proteins / Q000172:deficiency*; D006680:HLA Antigens; D006720:Homozygote; D006801:Humans; D007153:Immunologic Deficiency Syndromes / Q000235:genetics; D009103:Multiple Sclerosis / Q000276:immunology*
chemical_list: D003175:Complement C2; D006680:HLA Antigens; D003165:Complement System Proteins