Biogen Alzheimer's Drug: Doctors 'won't come out of the gates prescribing' this: Analyst
Biogen Alzheimer's Drug: Doctors 'won't come out of the gates prescribing' this: Analyst

Mizuho Securities Senior Biotech Analyst Salim Syed joins Yahoo Finance Akiko Fujita to discuss the FDA approving Biogen’s Alzheimer’s drug.