I'm sure you are familiar with Michael J Fox Foundation and Davis Phinney Foundation. But have you checked out the Brian Grant...

Anybody who has been diagnosed with PD should have this manual. It is comprehensive, current and a fabulous resource that provides...

https://briangrant.org/ www.parkinsonvoiceproject.org www.davisphinneyfoundation.org www.michaeljfox.org www.lsvtglobal.com...