Hauser, RA, J Lytle, AE Formella, and CM Tanner. 2022. “Amantadine Delayed Release/Extended Release Capsules Significantly Reduce OFF Time in Parkinson’s Disease. 2022 Mar 18;8(1):29. Doi: 10.1038/S41531-022-00291-1. PMID: 35304480.”. NP J Parkinsons Dis.