A curated reading list of authoritative medical research, drug-safety databases, and focused analysis for researchers, patients, and advocates.
Does Tysabri cause Progressive Multifocal Leukoencephalopathy — Research Summary — detailed background and analysis.
Reference: National Institutes of Health (NIH)
Authoritative source for clinical, regulatory, and public-health background reading.
Reference: Mayo Clinic — Diseases & Conditions
Authoritative source for clinical, regulatory, and public-health background reading.