@misc{indiciaeabb91b323d00,
  title = {The lung as a filter for microbubbles.},
  author = {B D Butler and B A Hills},
  year = {1979},
  doi = {10.1152/jappl.1979.47.3.537},
  url = {https://pubmed.ncbi.nlm.nih.gov/533747/},
  note = {Source identifier: 533747}
}