@article{yang2009-19567764,
  author  = {Yang, F. M. and Marcantonio, E. R. and Inouye, S. K. and Kiely, D. K. and Rudolph, J. L. and Fearing, M. A. and Jones, R. N.},
  title   = {{Phenomenological subtypes of delirium in older persons: patterns, prevalence, and prognosis}},
  journal = {Psychosomatics},
  year    = {2009},
  doi     = {10.1176/appi.psy.50.3.248},
  pmid    = {19567764},
  url     = {https://doi.org/10.1176/appi.psy.50.3.248}
}