Effects of Physical Exercise on Alzheimer's Disease Biomarkers: A Systematic Review of Intervention Studies. Frederiksen KSteen, Gjerum L, Waldemar G, Hasselbalch SGregers J Alzheimers Dis. 2018; 61(1):359-372. PMID: 29154278. Abstract Comment Bookmark Recommend Follow Comment | Bookmark | Recommend | Follow