@misc{indiciae5a2565a05c48,
  title = {The normal esophagus.},
  author = {F G DeNardi and R H Riddell},
  year = {1991},
  doi = {10.1097/00000478-199103000-00010},
  url = {https://pubmed.ncbi.nlm.nih.gov/1996732/},
  note = {Source identifier: 1996732}
}