Longitudinal Videofluorographic Dysphagia Measures in Progressive Supranuclear Palsy. - Cattani, Anna Chiara; Bhaskaran, Jerusha G.; Ali, Farwa; Stierwalt, Julie; Agosta, Federica; Filippi, Massimo; Josephs, Keith A.; Clark, Heather M.; Whitwell, Jennifer L. (Movement Disorders Clinical Practice, 2026)