NEW YORK - Shares of biotechnology companies Biogen Idec Inc. and Elan Corp. fell Monday on concerns a Food and Drug Administration panel may recommend against approving Tysabri as a Crohn’s disease treatment.
NEW YORK - Shares of biotechnology companies Biogen Idec Inc. and Elan Corp. fell Monday on concerns a Food and Drug Administration panel may recommend against approving Tysabri as a Crohn’s disease treatment.