PT - JOURNAL ARTICLE ED - BMJ Publishing Group Ltd TI - Interferon β-1b reduced exacerbations in multiple sclerosis AID - 10.1136/ebm.1996.1.53 DP - 1996 Feb 01 TA - Evidence Based Medicine PG - 53--53 VI - 1 IP - 2 4099 - http://ebm.bmj.com/content/1/2/53.short 4100 - http://ebm.bmj.com/content/1/2/53.full SO - Evid Based Med1996 Feb 01; 1