@article{melzer2019-31105633,
  author  = {Melzer, T. R. and Stark, M. R. and Keenan, R. J. and Myall, D. J. and MacAskill, M. R. and Pitcher, T. L. and Livingston, L. and Grenfell, S. and others},
  title   = {{Beta Amyloid Deposition Is Not Associated With Cognitive Impairment in Parkinson's Disease}},
  journal = {Frontiers in neurology},
  year    = {2019},
  doi     = {10.3389/fneur.2019.00391},
  pmid    = {31105633},
  url     = {https://doi.org/10.3389/fneur.2019.00391}
}