@misc{indiciae97714ae2b4a3,
  title = {Diffuse oesophageal spasm.},
  author = {D R Craddock and A Logan and P R Walbaum},
  year = {1966},
  doi = {10.1136/thx.21.6.511},
  url = {https://pubmed.ncbi.nlm.nih.gov/5972518/},
  note = {Source identifier: 5972518}
}