@article{valenzuela2006-16207391,
  author  = {Valenzuela, M. J. and Sachdev, P.},
  title   = {{Brain reserve and dementia: a systematic review}},
  journal = {Psychological medicine},
  year    = {2006},
  doi     = {10.1017/s0033291705006264},
  pmid    = {16207391},
  url     = {https://doi.org/10.1017/s0033291705006264}
}