@misc{indiciae0764cf3c92d8,
  title = {Intermediaries, innovation, and change.},
  author = {D E Sibery},
  doi = {10.1097/00005650-197011000-00001},
  url = {https://pubmed.ncbi.nlm.nih.gov/5489513/},
  note = {Source identifier: 5489513}
}