www.pdf.org (Parkinson disease Foundation)

www.parkinson.org.uk (Parkinson´s Disease Society)

www.parkinsons.org.uk (Parkinson´s Information)

www.michaeljfox.org (The Michael J Fox Foundation for Parkinson´s Research)

www.movementdisorders.org (The Movement Disorders Society)

www.parkinson.org (The National Parkinson Disease)

www.parkinson.org.br (Associação Brasileira de Parkinson)

www.wpda.org (World Parkinson Disease Association)