@misc{indiciae247a64b8027b,
  title = {Composition of surface-active material isolated from beef lung.},
  author = {M H KLAUS and J A CLEMENTS and R J HAVEL},
  year = {1961},
  doi = {10.1073/pnas.47.11.1858},
  url = {https://pubmed.ncbi.nlm.nih.gov/14456669/},
  note = {Source identifier: 14456669}
}