Early-onset parkinsonism with intellectual disability in an Italian family associated with a PTRHD1 variant. - Pedullà G; Morelli M; Soliveri P; Reale C; Procopio R; Felicetti A; Quattrone A; Annesi G; Operto F; Gambardella A; Gagliardi M (Parkinsonism & related disorders, 2026)