@misc{indiciae206f198971a6,
  title = {Diffuse esophageal spasm.},
  author = {Tomohiro Kato and Takafumi Naiki and Hiroshi Araki and Masahito Nagaki and Hisataka Moriwaki},
  year = {2004},
  doi = {10.1016/s0016-5107(04)01706-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/15332036/},
  note = {Source identifier: 15332036}
}