@misc{indiciae1a800b15018d,
  title = {Lung biopsy.},
  author = {S J Steel and D P Winstanley},
  year = {1970},
  doi = {10.1136/bmj.2.5711.732-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/5429663/},
  note = {Source identifier: 5429663}
}