@misc{indiciae91c2d4002ff9,
  title = {An improved program to calculate intrapulmonary shunting.},
  author = {D Siegel and S Ramanathan and J Chalon and H Turndorf},
  year = {1979},
  doi = {10.1097/00003246-197906000-00007},
  url = {https://pubmed.ncbi.nlm.nih.gov/446063/},
  note = {Source identifier: 446063}
}