@article{liptzin1992-1483173,
  author  = {Liptzin, B. and Levkoff, S. E.},
  title   = {{An empirical study of delirium subtypes}},
  journal = {The British journal of psychiatry : the journal of mental science},
  year    = {1992},
  doi     = {10.1192/bjp.161.6.843},
  pmid    = {1483173},
  url     = {https://doi.org/10.1192/bjp.161.6.843}
}