New Cases of Potentially Fatal Illness Tied to MS Drug
2008/08/04 08:52:30 @FOXNews.com
Cambridge-based Biogen Idec Inc. and Ireland-based Elan Corp. defended their multiple sclerosis drug Tysabri after reporting two new cases of a potentially fatal side effect, saying the treatment is still worth the risk to patients. [ VIEW FULL COVERAGE @FOXNews.com ]