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Biogen Idec and Elan Submit Applications to Update TYSABRI Labeling That May Help Stratify Risk of PML with Anti-JC Virus Antibody Status.
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Biogen Idec and Elan Submit Applications to Update TYSABRI Labeling That May Help Stratify Risk of PML with Anti-JC Virus Antibody Status
Key Takeaway: Biogen Idec and Elan Submit Applications to Update TYSABRI Labeling That May Help Stratify Risk of PML with Anti-JC Virus Antibody Status