@article{kemppainen2008-18023012,
  author  = {Kemppainen, N. M. and Aalto, S. and Karrasch, M. and Någren, K. and Savisto, N. and Oikonen, V. and Viitanen, M. and Parkkola, R. and others},
  title   = {{Cognitive reserve hypothesis: Pittsburgh Compound B and fluorodeoxyglucose positron emission tomography in relation to education in mild Alzheimer's disease}},
  journal = {Annals of neurology},
  year    = {2008},
  doi     = {10.1002/ana.21212},
  pmid    = {18023012},
  url     = {https://doi.org/10.1002/ana.21212}
}