@misc{indiciae32a884fb6d6d,
  title = {Pulmonary surfactant.},
  author = {T E Morgan},
  year = {1971},
  doi = {10.1056/nejm197105272842105},
  url = {https://pubmed.ncbi.nlm.nih.gov/4929384/},
  note = {Source identifier: 4929384}
}