@misc{indiciae787c9c9c61fe,
  title = {Echo bib.},
  author = {Mark J Kulbieda and Theodore A Alston},
  year = {2002},
  doi = {10.1097/00000542-200209000-00058},
  url = {https://pubmed.ncbi.nlm.nih.gov/12218563/},
  note = {Source identifier: 12218563}
}