@article{frederiksen2019-30873924,
  author  = {Frederiksen, K. S. and Gjerum, L. and Waldemar, G. and Hasselbalch, S. G.},
  title   = {{Physical Activity as a Moderator of Alzheimer Pathology: A Systematic Review of Observational Studies}},
  journal = {Current Alzheimer research},
  year    = {2019},
  doi     = {10.2174/1567205016666190315095151},
  pmid    = {30873924},
  url     = {https://doi.org/10.2174/1567205016666190315095151}
}