@misc{indiciae652733863904,
  title = {Second primary lung carcinoma.},
  author = {R A Smith and B K Nigam and J M Thompson},
  year = {1976},
  doi = {10.1136/thx.31.5.507},
  url = {https://pubmed.ncbi.nlm.nih.gov/996813/},
  note = {Source identifier: 996813}
}