@misc{indiciae82ea38490ebe,
  title = {Gallstone in the lung.},
  author = {N Schwegler and E Endrei},
  year = {1975},
  doi = {10.1148/15.3.541},
  url = {https://pubmed.ncbi.nlm.nih.gov/1129461/},
  note = {Source identifier: 1129461}
}