@misc{indiciae5c60cb81ab24,
  title = {Triangular hilar shadows.},
  author = {S C STEIN},
  year = {1952},
  doi = {10.1164/art.1952.66.2.188},
  url = {https://pubmed.ncbi.nlm.nih.gov/14943926/},
  note = {Source identifier: 14943926}
}