@misc{indiciaec95789426da9,
  title = {Our past and present challenges.},
  author = {E H Courtiss},
  year = {1978},
  doi = {10.1097/00006534-197811000-00001},
  url = {https://pubmed.ncbi.nlm.nih.gov/715017/},
  note = {Source identifier: 715017}
}