Curated Resources — Does Tysabri cause Progressive Multifocal Leukoencephalopathy

Below is a working bibliography of trusted health, pharmacovigilance, and legal-analysis sources, compiled for open research.

Primary topic reference

Does Tysabri cause Progressive Multifocal Leukoencephalopathy — Background & Analysis — detailed background and analysis.

World Health Organization (WHO)

Reference: World Health Organization (WHO)

Authoritative source for clinical, regulatory, and public-health background reading.

MedlinePlus — Trusted Health Information

Reference: MedlinePlus — Trusted Health Information

Authoritative source for clinical, regulatory, and public-health background reading.