@misc{indiciae2b3e416dd1c2,
  title = {Upper mediastinal changes in lower lobe collapse.},
  author = {K R Kattan},
  year = {1980},
  doi = {10.1016/0037-198x(80)90006-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/7394543/},
  note = {Source identifier: 7394543}
}