@misc{indiciae4f8d3fbfd07f,
  title = {Pulmonary calcification following smallpox handler's lung.},
  author = {P J Ross and A Seaton and H M Foreman and W H Morris Evans},
  year = {1974},
  doi = {10.1136/thx.29.6.659},
  url = {https://pubmed.ncbi.nlm.nih.gov/4375310/},
  note = {Source identifier: 4375310}
}