@misc{indiciae396f14cb8971,
  title = {Blue Medicine.},
  author = {S C Schatzki},
  year = {1991},
  doi = {10.2214/ajr.157.1.2048506},
  url = {https://pubmed.ncbi.nlm.nih.gov/2048506/},
  note = {Source identifier: 2048506}
}