[High risk patient profit from early treatment with interferon beta 1a].
D006801:Humans; D000068556:Interferon beta-1a; D016899:Interferon-beta / Q000627:therapeutic use*; D009103:Multiple Sclerosis / Q000150:complications / Q000188:drug therapy*; D012306:Risk
D016899:Interferon-beta; D000068556:Interferon beta-1a