“Total daily physical activity, brain pathologies, and parkinsonism in older adults,” by Shahram Oveisgharan, Robert J. Dawe, Sue E. Leurgans, Lei Yu, Julie A. Schneider, David A. Bennett, and Aron S. Buchman (PLoS ONE 15(4): e0232404. doi.org/10.1371/journal.pone.0232404, XML, HTML, and .pdf format, 16p.).
journals.plos.org/plosone/article?id=10.1371/journal.pone.0232404