@article{francis1990-2299782,
  author  = {Francis, J. and Martin, D. and Kapoor, W. N.},
  title   = {{A prospective study of delirium in hospitalized elderly}},
  journal = {JAMA},
  year    = {1990},
  doi     = {10.1001/jama.1990.03440080075027},
  pmid    = {2299782},
  url     = {https://doi.org/10.1001/jama.1990.03440080075027}
}