| inserm.fr | Progressive Supranuclear Palsy Definition |
| healthtouch.com | Progressive Supranuclear Palsy |
| upmc.edu | PSP Pathology Case |
| harvard.edu | Progressive Supranuclear Palsy Webforum |
| webmd.com | WebMD Health: Progressive Supranuclear Palsy |
| psp.org | Society for Progressive Supranuclear Palsy: Some Answers |
| parkinsonsinstitute.org | The Parkinson's Institute - Progressive Supernuclear Palsy |
| parkinson.org | Progressive Supranuclear Palsy (PSP) |
| nih.gov | Progressive Supranuclear Palsy |
| emedicinehealth.com | eMedicine Health - Progressive Supranuclear Palsy |
United States , Texas , Houston