@misc{indiciae62914ecc5b4f,
  title = {Scleroderma esophagus.},
  author = {S R Fulp and D O Castell},
  year = {1990},
  doi = {10.1007/bf02412688},
  url = {https://pubmed.ncbi.nlm.nih.gov/2272219/},
  note = {Source identifier: 2272219}
}