@misc{indiciae2523f1a07586,
  title = {Back to the basics.},
  author = {R L Simpson},
  year = {1991},
  doi = {10.1097/00006247-199106000-00008},
  url = {https://pubmed.ncbi.nlm.nih.gov/2052249/},
  note = {Source identifier: 2052249}
}