Lauretani, Fulvio, Andrea Ticinesi, Tiziana Meschi, and Marcello Maggio. “The Key Points for Treatment of Parkinsonism in Older Persons”. Geriatric Care 2, no. 3 (January 11, 2017). Accessed April 19, 2024. https://www.pagepressjournals.org/gc/article/view/6156.