@misc{indiciaebd4e34d1a854,
  title = {A further endoscopy problem solved?},
  author = {J B Tracey},
  year = {1976},
  doi = {10.1136/bmj.2.6046.1259-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/990876/},
  note = {Source identifier: 990876}
}