@misc{indiciae3e9d3497b443,
  title = {Busulphan lung: electron microscopy.},
  author = {J M Kay},
  year = {1970},
  doi = {10.1136/thx.25.2.257-c},
  url = {https://pubmed.ncbi.nlm.nih.gov/5442009/},
  note = {Source identifier: 5442009}
}