18 Spelman Spelman T T Frisell Frisell T T Piehl Piehl F F Comparative effectiveness of rituximab relative to IFN-β or glatiramer acetatein relapsing-remitting MS from the Swedish MS registry Comparative effectiveness of rituximab relative to IFN-β or glatiramer acetatein relapsing-remitting MS from the Swedish MS registry Multiple sclerosis (Houndmills, Basingstoke, England) Multiple sclerosis (Houndmills, Basingstoke, England) 2018 2018 24 24 1087 1087 1095 1095 28649912 28649912. The gene discussed is IFNB1; the disease is myeloid sarcoma.