@misc{indiciaed752ce7e6863,
  title = {Scleroderma and the esophagus.},
  author = {P Witt and E Thomas},
  year = {1984},
  doi = {10.7326/0003-4819-101-4-566\_2},
  url = {https://pubmed.ncbi.nlm.nih.gov/6476646/},
  note = {Source identifier: 6476646}
}