@misc{indiciaee799e8faa3a1,
  title = {Lung surrogates.},
  author = {P F Niederer and E H Bush and E R Schmid and D R Spahn},
  year = {1989},
  doi = {10.1111/j.1399-6576.1989.tb03010.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2929267/},
  note = {Source identifier: 2929267}
}