@article{busse2006-17190940,
  author  = {Busse, A. and Hensel, A. and Gühne, U. and Angermeyer, M. C. and Riedel-Heller, S. G.},
  title   = {{Mild cognitive impairment: long-term course of four clinical subtypes}},
  journal = {Neurology},
  year    = {2006},
  doi     = {10.1212/01.wnl.0000249117.23318.e1},
  pmid    = {17190940},
  url     = {https://doi.org/10.1212/01.wnl.0000249117.23318.e1}
}