@misc{indiciae232e664b4362,
  title = {Using randomized controlled trial data, the agreement between retrospectively and prospectively collected data comprising the pneumonia severity index was substantial.},
  author = {Drahomir Aujesky and Roslyn A Stone and D Scott Obrosky and Donald M Yealy and Thomas E Auble and Thomas P Meehan and Louis G Graff and Jonathan M Fine and Michael J Fine},
  year = {2005},
  doi = {10.1016/j.jclinepi.2004.08.011},
  url = {https://pubmed.ncbi.nlm.nih.gov/15862721/},
  note = {Source identifier: 15862721}
}