@article{regal2014-24958094,
  author  = {Regal, Philip J.},
  title   = {{Calculating cognitive decline in delirium}},
  journal = {Age and Ageing},
  year    = {2014},
  doi     = {10.1093/ageing/afu076},
  pmid    = {24958094},
  url     = {https://doi.org/10.1093/ageing/afu076}
}