What some experts say about PD Medications
Davis Phinney Foundation
https://davisphinneyfoundation.org/medication-and-parkinsons/
APDA
https://www.apdaparkinson.org/what-is-parkinsons/treatment-medication/medication/
Parkinson.org https://www.parkinson.org/Understanding-Parkinsons/Treatment/Prescription-Medications
MJ Fox
https://www.michaeljfox.org/medications-treatments