@misc{indiciae92341ce10338,
  title = {Dr. John Clark.},
  author = {S C Schatzki},
  year = {1994},
  doi = {10.2214/ajr.163.2.8037008},
  url = {https://pubmed.ncbi.nlm.nih.gov/8037008/},
  note = {Source identifier: 8037008}
}