@misc{indiciae487d6157914b,
  title = {Introduction.},
  author = {Jerome O. Klein},
  year = {2001},
  doi = {10.1097/00006454-200101000-00035},
  url = {https://pubmed.ncbi.nlm.nih.gov/11176584/},
  note = {Source identifier: 11176584}
}