.
Chahla RE, et al. Am J Ther. 2021 Aug 16;28(5):e601-e604. doi: 10.1097/MJT.0000000000001433. Am J Ther. 2021. PMID: 34491960. Parkinson Study Group SURE-PD3 Investigators, et al. JAMA. 2021 Sep 14;326(10):926-939. doi: 10.1001/jama.2021.10207. JAMA. 2021. PMID: 34519802. Spaulding EL, et al. Science. 2021 Sep 3;373(6559):1156-1161. doi: 10.1126/science.abb3414. Epub 2021 Sep 1. Science. 2021. PMID: 34516839.