FDA wants Biogen, Elan drug warning revised (Reuters)

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FDA wants Biogen, Elan drug warning revised (Reuters)

Reuters - Prescribing instructions for Biogen
Idec and Elan Corp's drug Tysabri should be revised to note
cases of a serious brain disorder in patients who were using it
as their sole treatment for multiple sclerosis, U.S. health
regulators said on Monday.

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