@misc{indiciae536b37feeeab,
  title = {Operation for sigmoid oesophagus.},
  author = {A J Nakvi and W C Barnsley},
  year = {1980},
  doi = {10.1136/thx.35.3.219},
  url = {https://pubmed.ncbi.nlm.nih.gov/7385095/},
  note = {Source identifier: 7385095}
}