Research Notes: 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? — Research Summary — detailed background and analysis.

National Institutes of Health (NIH)

Reference: National Institutes of Health (NIH)

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.

U.S. Food and Drug Administration (FDA)

Reference: U.S. Food and Drug Administration (FDA)

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