Rudick, R A Incidence and significance of neutralizing antibodies to interferon beta-1a in multiple sclerosis. Multiple Sclerosis Collaborative Research Group (MSCRG) [electronic resource] - Neurology May 1998 - 1266-72 p. digital Publication Type: Clinical Trial; Clinical Trial, Phase III; Clinical Trial, Phase IV; Journal Article; Multicenter Study; Randomized Controlled Trial ISSN: 0028-3878 Standard No.: 10.1212/wnl.50.5.1266 doi Subjects--Topical Terms: AdolescentAdultAntigen-Antibody ReactionsDouble-Blind MethodHumansInterferon beta-1aInterferon-beta--immunologyMiddle AgedMultiple Sclerosis--drug therapy