@article{dasgupta2010-20092663,
  author  = {Dasgupta, M. and Hillier, L. M.},
  title   = {{Factors associated with prolonged delirium: a systematic review}},
  journal = {International psychogeriatrics},
  year    = {2010},
  doi     = {10.1017/s1041610209991517},
  pmid    = {20092663},
  url     = {https://doi.org/10.1017/s1041610209991517}
}