@misc{indiciae3be034ee2a16,
  title = {Achalasia.},
  author = {Peter M. Dunaway and Roy K. H. Wong},
  year = {2001},
  doi = {10.1007/s11938-001-0051-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/11177686/},
  note = {Source identifier: 11177686}
}