@misc{indiciaeff0f0a14921f,
  title = {Pulmonary surfactants--current status.},
  author = {M Hallman},
  year = {1990},
  doi = {10.3109/07853899009147909},
  url = {https://pubmed.ncbi.nlm.nih.gov/2291836/},
  note = {Source identifier: 2291836}
}