@misc{indiciaeb834894f5c3e,
  title = {Abnormal left hilar height ratio.},
  author = {M J Homer},
  year = {1979},
  doi = {10.2214/ajr.133.4.723},
  url = {https://pubmed.ncbi.nlm.nih.gov/114021/},
  note = {Source identifier: 114021}
}