@article{crum1993-8479064,
  author  = {Crum, Rosa M.},
  title   = {{Population-Based Norms for the Mini-Mental State Examination by Age and Educational Level}},
  journal = {JAMA},
  year    = {1993},
  doi     = {10.1001/jama.1993.03500180078038},
  pmid    = {8479064},
  url     = {https://doi.org/10.1001/jama.1993.03500180078038}
}