@misc{indiciaefe41484524ee,
  title = {Esophageal cast.},
  author = {A A Khan and C R Burkhart},
  year = {1985},
  doi = {10.1097/00004836-198510000-00007},
  url = {https://pubmed.ncbi.nlm.nih.gov/4067227/},
  note = {Source identifier: 4067227}
}